News in Brief – Beluga whale spotted in the Thames, Japanese knotweed invasion and Praying Mantises

Beluga whale spotted in the Thames

A Beluga whale, a species usually found in the arctic region, has been spotted in the Thames estuary a few miles from London. As the Thames is a river it is fresh water not salt and therefore not normally the place to find whales or dolphins. Furthermore until recently it was so dirty that none of these animals will come close. However in 2006 the northern bottlenose whale was sighted in the Thames unfortunately the animal died eventually. Continue reading “News in Brief – Beluga whale spotted in the Thames, Japanese knotweed invasion and Praying Mantises”

UK extinct species and imported species – Part 2

Grey squirrels- invaders

These animals cause significant damage to woodland throughout the UK. They were first introduced to Henbury park in Cheshire, but have quickly spread. Being less reliant on trees than red squirrels they have done very well though it is thought that red squirrels were not doing well anyway. A great deal of money and time has been spent trying to control their spread, as they often carry squirrel pox which kills red squirrels quickly, meaning they don’t share land for long.

Continue reading “UK extinct species and imported species – Part 2”

UK extinct species and imported species – Part 1

Huge numbers of species have been disappearing from some or all of their original range in the wild. While there are other reasons for animals to disappear from areas, humans are usually the biggest. This is certainly the case on a micro scale. The majority of impacts of climate change has shifted the entire range for a species in one direction or another. Many mountainous species have shifted their range up hill as the planet has warmed. The problem with this shifting is that often it leaves species stuck in small areas of suitable habitat at the top of hills or mountains. Continue reading “UK extinct species and imported species – Part 1”

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