A colossal nocturnal hunter with a wingspan nearly six feet across, this remarkable fish-owl plunges into icy rivers to catch salmon with its massive, featherless talons. Blakiston's Fish-Owl is one ...

The Baltimore Oriole (Icterus galbula) is one of America’s most eye-catching songbirds. One of seven Oriole species in the US, these colorful birds delight birdwatchers yearly when they return to feed ...

Geese have a reputation for being pretty intimidating birds. In fact, these large waterfowl have been used as guard animals for centuries, both for their lack of fear of intruders and their loud alarm ...

The Eurasian wren (Troglodytes troglodytes) is the UK’s commonest breeding bird, with an estimated 11 million breeding pairs. This sweet, diminutive bird has an elaborate and exuberant song that ...

Eggs aren’t exclusive to birds, but all birds lay eggs. Eggs vary in shape, color, and other characteristics, but this article is all about size! Which birds lay the biggest eggs, and do they have ...

Galahs (Eolophus roseicapilla) are a familiar site in both urban and rural landscapes across Australia, with their distinctive pink and grey plumage and bold nature, foraging in noisy flocks and ...

The Peregrine Falcon (Falco peregrinus) is the epitome of speed and power. They strike fear into the hearts of the birds they hunt, a fact that falconers have enjoyed for over 3000 years! These ...

The Canada Goose (Branta canadensis) is a very familiar waterbird that can be seen in every state in the continental United States. They were also introduced to the United Kingdom in the 17th century, ...

The Bald Eagle (Haliaeetus leucocephalus) is America’s national bird and one of the most recognizable avians in the world. These large and distinctive white-headed sea eagles occur near salt and ...

Adult male northern cardinals (Cardinalis cardinalis) are instantly recognizable with their striking scarlet plumage, prominent crest, and contrasting black ‘face mask’ markings around their ...

Seagulls are widespread across the US, not only found at coastal regions, but you may well have heard their noisy squawking calls overhead further inland too, in parking lots, near housing ...

Swifts (Apus apus) and Swallows (Hirundo rustica) are two iconic signs of the arrival of summer in British skies, signalling the start of warmer weather and longer daylight hours. Fast-flying aerial ...