Stan Boutin has climbed more than 5,000 spruce trees in the last 30 years. He has often returned to the forest floor knowing if a ball of twigs and moss within the tree contained newborn red squirrel ...

Grey squirrels could be given contraceptives to control invasive species - Native red squirrel numbers have meawnhile ...

The Mount Graham red squirrel faces "a significant risk of extinction," according to a University of Arizona biologist who monitors them. A captive-breeding program is being contemplated to head off ...

January 21 is National Squirrel Appreciation Day! The holiday was started in 2001 by wildlife rehabilitator Christy Hargrove, ...

Philip Cox has received funding from the Royal Society. Red squirrels have been replaced over a large part of Great Britain by the non-native grey squirrel, introduced from North America in the late ...

Grey squirrels are an invasive, non-native species introduced from North America to sites in Great Britain and Ireland between 1876 to 1929. They out-compete the native red squirrels and multiply ...

At first, I thought a black cat had crossed my path, but a second glance out the window revealed the critter was not a cat at all – it was a black squirrel, and a rather burly one at that. Black ...

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Everything seems to have changed at the end of August. Things had been going along “normally,” which meant that I needed to fill my bird feeders every morning and they were all empty by the time I got ...

British deer could face the same fate as the red squirrel, experts have warned – as a study reveals they are being outcompeted by a hardier, more aggressive species. Researchers have discovered that ...