An ecosystem evolves across thousands of years, a biological interaction that is both intricate and fragile. The arrival of a new species can disrupt the balance, as we have seen in Britain with grey

Adrian Thomas looks to the skies for three special birds that you may see over your garden or might even attract into your space to breed

In the heart of South America, the world’s most powerful eagle perches high in a tree on the fringe of remnant rainforest. Female harpy eagles like this individual can weigh up to 9kg. “These birds ar

Sporting its dapper monochrome plumage, a black (or American) skimmer calls to its colony-mates on a busy Florida beach. A member of the tern family and one of just three skimmer species worldwide, th

Following two weeks spent acclimatising in a special enclosure near Vylkove, a town on the edge of the Ukrainian part of the Danube Delta, it was time for four young eagle owls to leave. Though the bi

Fluid in flight and perplexingly wide-ranging, the short-eared owl is a singular figure in the family– and a figure of particular terror to the vole