Tag: Birds

2. Subfamily Reduncinae: rhebok reedbuck and Waterbuck

2. Reduncinae - Rhebok, Reedbuck, Waterbuck

Bohor Reedbuck

Boher Reedbuck

The bohor reedbuck  is an antelope native to central Africa.

The head-and-body length of this medium-sized antelope is typically between 100–135 cm. Females are smaller. This sturdily built antelope has a yellow to grayish brown coat. Only the males possess horns which measure about 25–35 cm long. There are 5 subspecies:

  • R. r. bohor Rüppell, 1842: Also known as the Abyssinian bohor reedbuck. It occurs in southwestern, western and central Ethiopia, and Blue Nile (Sudan).
  • R. r. cottoni (W. Rothschild, 1902): It occurs in the Sudds (Southern Sudan), northeastern Democratic Republic of the Congo, and probably in northern Uganda.
  • R. r. nigeriensis (Blaine, 1913): This subspecies occurs in Nigeria, northern Cameroon, southern Chad and Central African Republic.
  • R. r. redunca (Pallas, 1767): Its range extends from Senegal east to Togo. It inhabits the northern savannas of Africa. 
  • R. r. wardi (Thomas, 1900): Found in Uganda, eastern Democratic Republic of the Congo and eastern Africa. 
The total population of this species is 100,000, and while it is decreasing, it is not currently low enough to justify a near threatened rating, though this might change in the near future. At the current time, I cannot see any of the subspecies being in a worse position but can change this if I find out more.

Mountain Reedbuck

 The mountain reedbuck has 3 subspecies. The western mountain reedbuck only has 450 individuals still living wild, (shown on the map in red) also known as the Adamwa mountain reedbuck which is restricted to the highlands of Cameroon. The Eastern mountain reedbuck (or Chanlers) has 2900 wild individuals, is found in parts of Kenya and Ethiopia. The Southern moutnain reedbuck, blue, (33,000) is found in the Drakensburg mountains of South Africa.

Mountain Reedbuck

Southern Reedbuck

Southern Reedbuck

The Southern, or common Reedbuck is found in Southern Africa. It is a midsized  antelope, standing 134-167cm tall

 It was described in 1785 by Pieter Boddaert. Southern reedbucks live in pairs or alone, though occasionally they will form herds of up to 20. They prefer to lie in grass or reed beds in the heat of the day and feed during sunrise and sunset, or sometimes even at night. Old reedbucks are permanently territorial, with territories around 35-60 hectares, and generally live with a single female, preventing contact with rival males. Females and young males perform an ‘appeasement dance’ for older males.  Within this territory, it is active all the time in summer, but it is nocturnal in the wet season. It regularly uses paths to reach good sites to rest, graze, and drink water. They are hunted by all the top predators in the area, including Lion, Leopard, Cheetah hyena and wild dog, as well as animals like snakes.

They are easily hunted, and combined with loss of territory to human expansion, the population is down. About 60% occur in protected reserves, but in some countries like Gabon and the DRC are though to almost be locally extinct.

Kob

The puku  is a mid-sized antelope found in wet grasslands in Southern Democratic Republic of Congo, Namibia, Tanzania, Zambia and more concentrated in the Okavango Delta in Botswana.

Nearly one-third of all puku are found in protected areas, zoos, and national parks due to their diminishing habitat (though this still leaves 2/3 of Puku living outside all protected areas.

Kob (queen Elizabeth national park)

Red Lechwe

Red Lechwe

Red Lechewe is a species of antelope found in the south of eastern African. The red lechwe is native to Botswana, Zambia, southeastern Democratic Republic of the Congo, northeastern Namibia, and eastern Angola, especially in the Okavango Delta, Kafue Flats, and Bangweulu Wetlands. They are found in shallow water, and have a substance on their legs which allows them to run pretty fast. Total population is around 160,000

Four subspecies of the lechwe have been recognized

  • Common red lechwe (Gray, 1850) – Widely distributed in the wetlands of Zimbabwe, Botswana, Namibia and Zambia. (80,000)
  • Kafue Flats lechwe  (Haltenorth, 1963) – It is confined within the Kafue Flats (seasonally inundated flood-plain on the Kafue River, Zambia). (28,000)
  • † Roberts’ lechwe  (Rothschild, 1907) – Formerly found in northeastern Zambia, now extinct. Also called the Kawambwa lechwe.
  • Black lechwe (Kobus leche smithemani) (Lydekker, 1900) – Found in the Bangweulu region of Zambia. (50,000)

In addition, the Upemba lechwe (1000)  and the extinct Cape lechwe are also considered subspecies by some authorities. Although related and sharing the name “lechwe”, the Nile lechwe (below) is consistently recognized as a separate species.

Nile Lechwe

The Nile lechwe or Mrs Gray’s lechwe  is an endangered species of antelope found in swamps and grasslands in South Sudan and Ethiopia.

Nile lechwe can visually signal and vocalize to communicate with each other. They rear high in the air in front of their opponents and turn their heads to the side while displaying. Females are quite loud, making a toad-like croaking when moving. Known predators are humans, lions, crocodiles, cheetahs, wild dogs, hyenas and leopards. They flee to water if disturbed, but females defend their offspring from smaller predators by direct attack, mainly kicking. Nile lechwe are crepuscular, active in the early morning and late afternoon. They gather in herds of up to 50 females and one male or in smaller all-male herds. They divide themselves into three social groups: females and their new offspring, bachelor males, and mature males with territories. A males with territory sometimes allows a bachelor male into his territory to guard the region and not to copulate. They are sexually mature at 2.

Nile lechwe feed on succulent grasses and water plants. They have the special capability to wade in shallow waters and swim in deeper waters, and may feed on young leaves from trees and bushes, rearing up to reach this green vegetation. Nile lechwe are also found in marshy areas, where they eat aquatic plants.  Around 32,000 and are classed as endangered

Nile Lechwe

Puku

Puku

The puku  is a medium-sized antelope found in wet grasslands in southern Democratic Republic of Congo, Namibia, Tanzania, Zambia and more concentrated in the Okavango Delta in Botswana. Nearly one-third of all puku are found in protected areas, zoos, and national parks due to their diminishing habitat (the issue here, is that these 2/3 are clearly at danger of disappearing if humans change their behaviour. They are currenly listed as not threatened

Two subspecies exist:

  • Senga Puku
  • Southern Puku
Both appear to be not threatened.
They are found in Hluhluwe Umfolozi Game Reserve, Kruger National Park, Moremi Game Reserve, Ngorongoro Crater Conservation Area and the Serengeti National Park

Waterbuck

The waterbuck  is a large antelope found widely in sub-Saharan Africa.It was first described by Irish naturalist William Ogilby in 1833.

Its 13 subspecies are grouped under two varieties: the common or ellipsiprymnus waterbuck and the defassa waterbuck. The head-and-body length is typically between 177 and 235cm  and the typical height is between 120 and 136cm. In this antelope, males are taller and heavier than females. Males reach roughly 127 cm at the shoulder, while females reach 119cm. Males typically weigh 198–262 kg and females 161–214 kg. Their coat colour varies from brown to grey. The long, spiral horns, present only on males, curve backward, then forward, and are 55–99 cm long. Waterbucks are rather sedentary in nature. As gregarious animals, they may form herds consisting of six to 30 individuals. These groups are either nursery herds with females and their offspring or bachelor herds. Males start showing territorial behaviour from the age of 5 years, but are most dominant from the six to nine. The waterbuck cannot tolerate dehydration in hot weather, and thus inhabits areas close to sources of water. Predominantly a grazer, the waterbuck is mostly found on grassland. In equatorial regions, breeding takes place throughout the year, but births are at their peak in the rainy season. The gestational period lasts 7–8 months, followed by the birth of a single calf.

Waterbucks inhabit scrub and savanna areas along rivers, lakes, and valleys. Due to their requirement for grasslands and water, waterbucks have a sparse ecotone distribution. The IUCN lists the waterbuck as being of least concern. More specifically, the common waterbuck is listed as of least concern. while the defassa waterbuck is near threatened. The population trend for both is downwards, especially that of the defassa, with large populations being eliminated from certain habitats because of poaching and human disturbance.

The common waterbuck is listed as least concern, while the Defassa is listed as near threatened. Only 60% of this subspecies population is in protected areas, so it could get worse, if they are lost.

Waterbuck

Sea-Lions

An encounter with almost any wild animal can be something you remember for years. This sealion that came out of the sea on the beach in New Zealand is no different

Sea-lions

There are 6 living species of sea-lion, and 1 extinct. As the interest in these species grows and the links become unwieldy i will split out the separate species, but for the time being I will just have one page for them all – help it to be necessary to split them as soon as possible. 

Sea-lions are pinnipeds with external ear flaps, long fore-flippers, the ability to walk on all fours, short and thick hair, and a big chest and belly. The sea-lions the 6 living species shown below (the Japanese sea-lion is extinct) in five genera. Their range extends from the subarctic to tropical waters of the global ocean in both the Northern and Southern Hemispheres, with the notable exception of the northern Atlantic Ocean. They have an average lifespan of 20–30 years.[2] A male California sea-lion weighs on average about 300 kg (660 lb) and is about 2.4 m (8 ft) long, while the female sea-lion weighs 100 kg (220 lb) and is 1.8 m (6 ft) long. The largest sea-lions are Steller’s sea-lions, which can weigh 1,000 kg (2,200 lb) and grow to a length of 3.0 m (10 ft). Sea-lions consume large quantities of food at a time and are known to eat about 5–8% of their body weight (about 6.8–15.9 kg (15–35 lb)) at a single feeding. Sea-lions can move around 16 knots (30 km/h; 18 mph) in water and at their fastest they can reach a speed of about 30 knots (56 km/h; 35 mph).[3] Three species, the Australian sea-lion, the Galápagos sea-lion and the New Zealand sea-lion, are listed as endangered.

Steller sea-lion
Australian sea-lion
California sea-lion
Galápagos sea-lion
New Zealand sea-lion
South American sea-lion

Steller Sea-lion are found on the land of North America and Asia that circle the north pole (map below, credit NOAA). 

They are predated by killer whales, though sleeper sharks and great whites sometimes take young. They eat a variety of foods, include various fish species, as well as octopus and squid. They are fast swimmers, capable of diving to 1500feet, and staying under for 16 minutes

During breeding season, males fight to control a stretch of beach, and females move freely to the place they favour. 

Status: population has fallen 70-80% since the 1970s and so are listed as endangered, around 46,000 individuals, though in recent years, the Eastern population has grown at around 3% a year (in 2013 this lead to its removal from the US endangered species list)

 

Australian Sea-lion is the only endemic pinniped found in Australia.

They can make a variety of calls, with mothers and young able to pick up each others call in the chaos of a breeding beach. There are currently 66 recognized breeding beaches, though 42% of pups are bred on just 4 of these beaches.

While rare, a bite can require hospitalisation. In both the 1930s and 1960s they were recorded as feeding on little penguins, and this still happens today. Other food includes a variety of fish and even small sharks, in turn, they are hunted by great white sharks and killer whale (orca).

Population was 14370 in 2010 though by 2014 it had fallen to just 6500 mature individuals, though current estimates are 11,200 suggesting a rebound. Still it is clear that they need particular efforts for their conservation. Despite their (relatively) close ranges, the Australian and New Zealand sea-lions do not appear to be closely related. They are considered vulnerable.

California Sea-lion Are found on the west coast of north America. On this map, the navy blue marks the breeding rance, while the light blue shows the total range that they can be found in. It should be noted, that previously the Japanese and Galapagos sealion were both considered subspecies of the Californian species, but no longer. They can stay healthy, for a time, in fresh water, and have been seen living for a while in Bonneville dam – 150 miles inland.

They see (mostly in blue/green) and hear well, as well as being able to sense nearby, with their whiskers. They generally eat fish, squid and occasionally clams. They have been seen cooperating with other sealions, or indeed dolphins porpoises and sea-birds in their hunting techniques, though exploitation is also common.

There are 5 relatively distinct populations. Several sealions have reached Japanese waters in recent years, and this is the most likely origin, as such  it could return to Japan on its own. 

It is considered least concern with 238,000-241,000 individuals and increasing over time.

Galapagos Sea-lions Found on all of the Galapagos Islands, as well as (in smaller numbers) on Isla de la Plata, which is just 40km from Puerto López a village in Ecuador. There have also been recorded sightings on the Isla del Coco which is 500km southwest of Costa Rica (and 750km from the Galapagos). These are not regular, and so have been considered vagrant. It is of course possible that historically they roamed here, but we cannot say.

They are the smallest species of sea-lion, and can often be seen gliding through the water, or sunbathing on the beach. They measure 1.5m-2.5m and weigh between 50 and 400kg.

Much of their diet is made up of sardines. Interaction with humans is usually negative, and feral dogs often form packs, and can then attack the sealions.

The population tends to bounce between 20,000 and 50,000 and they are currently classed as endangered

 

New Zealand Sea-lion (formerly known as the Hooker sealion) is native to south island, though before 1500 it is thought that it was also found on north island. They tend to breed on Subarctic islands of Auckland and Campbell (99% of the pups are born in these islands). In 1993, sealions started breeding on South Island again for the first time in 150 years.

Genetic evidence suggests that until 1300-1500 there was a mainland subspecies, which was wiped out by the Mauri’s and has been replaced by members from the sub-Antarctic population.

As well as eating fish and crustations, they will take new Zealand fur seals as well. They are hunted by great white sharks, and in a survey 27% of adults had scars from near misses. While south American sealions are hunted by orca (with them famously beaching to catch them) they do not appear to do this around New Zealand. After the birth of their pup, females move inland as much as 2km to avoid males, storms and even parasites.

They are thought to number 12,000 making them the rarest sealion. They are also the most distinct being part of the Genus Phocarctos, and are listed as endangered.

 

South-American Sea-lion

Also known as the Southern sealion or the Patagonian sealion. They have been recorded going as far north as Ecuador, though not yet breeding there. They eat fish, as well as squid and octopus, and have even been observed predating penguins, pelicans and South American fur seals.

Males set up territories, but after the arrival of females switch to protecting them. Having said this, one population in Peru have a different set-up where males perform, and females choose a mate, and are free to move freely. This may be in result to the warmer climate, which means the females make regular trips into the sea.

The total population is estimated at 265,000. They are declining in Patagonia (Argentina) and the Falklands but increasing in Chile and Uruguay. In the 2013 El nino many Peruvian sealions died. They are still regularly killed by fishermen, both for damaging equipment and stealing fish.

They are listed as least concern

 

As we gain contacts each picture above will become a link to a page for the specific species – for now, all species will be looked after by this page. If you are a wildlife guide or live nearby and want to be able to host (as a hotel or B&B or campsite) and would like to be listed do get in touch. Our aim, is to give people all the information and links on one page, so that they can book everything in one go – making it easy, and therefore more people undertaking these sort of trips.

Sea-lions can be specifically searched out, but it is also possible to have a surprise encounter with one.

One of my most memorable encounters with any wildlife, is an encounter with a New Zealand sealion.  We had simply gone for a walk on the beach, and at some point, we saw the sea-lion coming out of the sea. This huge male slowly made its way towards us, and when about 10m away it lay down in the sand, threw sand all over itself and went to sleep.

To return to the Pinniped page click here

Margay

A Margay from Costa Rica Taken by Supreet Sahoo

Margay

This is a relatively small wild cat that is found in central and Southern America, living in primary evergreen and deciduous forests. Until the 1990s they were illegally hunted for the wildlife trade, causing a significant decrease in the wild population. Sine 2008 they have been listed as near concern due to declining population, thought to be caused by habitat loss. It is classed as near threatened -one up from least concerned, but one down from Vulnerable.

There are currently 3 recognized subspecies, these are in turn found South of the Amazon, North of the Amazon and in Central America.

 

Caracal

Caracals are a very lucky sighting, as they tend to be active when people are asleep

Caracal

Caracals are nocturnal, which means that they are often not spotted. Indeed, in our time in South Africa, it was the only local cat which we did not see. It has a huge distribution, which includes Africa, the middle east, central Asia and even parts of northern India and Pakistan. It is an expert jumper, and often catches birds in flight, being able to jump more than 3m straight up. It comes from the same genetic line as the serval and the African Golden cat.

Generally, while it is wide spread and usually relatively plentiful it is an animal that either takes a lot of luck or a great deal of patience to see it in the wild.

Serval

Serval

The Serval is a cat slightly bigger than domestic cats. It is a formidable jumper, and uses this to its advantage. It will usually hunt some rodents by stalking them until it is close and then leaping in the air and coming down on its back. It is also one of the few cats that regularly catches birds in flight, given its ability to jump as much as 4m up (indeed, if you see them in a zoo, it is not unusual for there to be a pile of feathers somewhere in their enclosure. The are a nocturnal savannah animal, and are found in most protected areas of sub-Saharan Africa. They are generally plentiful in any savannah with a good supply of water.

aaa Pirin mountains and national park

Pirin mountains and national park

Lying in the South West of Bulgaria, the Pirin mountains are stunning

With populations of bears wolves and Jackals, it is a wonderful place to go looking for wild adventures. Boar deer and Chamois can be seen at different times of the day (though in places where predators lurk, expect to see prey less often in Europe), and 159 recorded bird species here, including eagles, hawks, owls, grouse, and woodpeckers (this is around 1/3 of all the birds in Bulgaria

aaa The Highlands, Scotland

The Highlands, Scotland, UK

The highlands of Scotland is an odd place. It has one of the lowest densities of humans, but at the same time the UK has eradicated the majority of predators, and despite being required by European law, has ruled out reintroducing any predators that once lived here.

I would love to see a small number of wolf packs roaming the highlands, to keep the prey on the move.

There is still a wide range of wildlife to spot in the highlands, and it is a beautiful place to visit. The problem is that at the current time, it is mostly not in a natural state. Furthermore, it is unfortunately very hard to regrow the Caledonian forests, as there are so many red deer.

 A wide variety of other animals and birds can be spotted in the area. For instance, black grouse, golden eagles, osprey and ptarmigan. Also, you can spot capercaillie, pine martens, squirrels (red ones, of course!) and otters, to name but a few. There have been a small number of reindeer reintroduced (native but locally extinct).

The eastern highlands are largely included in a range of mountains called the Cairngorms which are also a fascinating area to explore

aaa Madagascar Rainforest

Madagascar Rainforest

Madagascar contains an amazing array of fascinating wildlife. Lemurs make up much of this with 32 different species, but there is also a wide range of reptiles and birds. Over the last 2 centuries since humans settled on Madagascar 90% of the rainforest, and the rest continues to be under threat.

Tourism can help – we can show that the forest has more value standing than cut down.

aaa Lake Turkana and its national parks

Lake Turkana and its national parks

Lake Turkana is a lake with 3 rivers entering it (no rivers leave, it evaporates) . It lies in the eastern part of the great rift valley. The three parks are  Sibiloi National Park, the South Island and the Central Island National Parks, covering a total area of 161,485 hectares located within the Lake Turkana basin whose total surface area is 7 million ha. The lake is the most saline in africa which means little can survive in its waters.

This area is not the largest protected zone, as it only covers around 700 square miles. The island parks are the breeding habitats of the Nile crocodile, the hippopotamus amphibious and several snake species. The lake is an important flyway passage and stopover for palaeartic migrant birds. Over the dry grasslands ranges a frail population of grazing mammals and predators. The grazers are chiefly Grevy’s zebra, Burchell’s zebra, the beisa oryx, Grant’s gazelle, the topi and the reticulated giraffe. They are hunted by the lion and the cheetah. Elephants and the black rhinoceroses are no longer seen. Closer to the dust is the cushioned gerbil (Gerbillus pulvinatus)

aaa Niokolo-Koba national park, Senegal

Niokolo-Koba national park, Senegal

River Gambia Niokolokoba National Park Credit: United states Government

A fascination reserve with a wide range of wildlife, this is a place well worth a visit. With a variety of habitats, the range of wildlife that can be seen is not usually available in one reserve anywhere else.

 The national park is known for its wildlife. The government of Senegal estimates the park contains 20 species of amphibians, 60 species of fish, 38 species of reptiles (of which four are tortoises). There are some 80 mammal species. These included (as of 2005) an estimated 11000 buffaloes, 6000 hippopotamuses, 400 western giant eland, 50 elephants, 120 lions, 150 chimpanzees (It is inhabited by a banded forest in the park (Lower Rim) and Mount Assirik. (north-western limit line where chimps are distributed.)), 3000 waterbuck (Kobus ellipsiprymnus), 2000 common duiker (Sylvicapra grimmia), an unknown number of red colobus (Colobus badius rufomitratus) and a few rare African leopards and West African wild dogs (Lycaon pictus manguensis), although this canid was thought to be wiped out throughout the rest of the country.[4]

 

Other mammals include roan antelope, Guinea baboon, green monkey, patas monkey, warthog.

 

Around 330 species of birds have been sighted in the park, notably the Arabian bustard, black crowned crane, Abyssinian ground hornbill (Bucorvus abyssinicus), martial eagle, bateleur (Terathopius ecaudatus), and white-faced duck (Dendrocygna viduata).

 

There are also reptiles such as three species of crocodiles, four species of tortoises

 

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