This prehistoric-looking forest dweller, with its vibrant blue head and dagger-like claws, roams the dense rainforests of New Guinea. The Dwarf Cassowary is the smallest of the three cassowary species ...

Each year, billions of migratory birds switch between spring/summer breeding grounds and overwintering grounds, although their movements vary greatly between species and populations. Their journey may ...

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 ...

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 ...

Herons are large, striking birds from the Ardeidae family that contains some 64 species. Herons, bitterns and egrets belong to the same family and are all wading birds with long legs, necks and bills.

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 Snow Goose (Anser caerulescens) is an abundant migratory waterbird that visits the United States every winter. Many American birdwatchers will be familiar with the sight of these white and black ...

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 ...

The Mexican flag is one of many that bears a bird as one of its symbols, alongside Ecuador, Guatemala, Dominica, Uganda, and Papua New Guinea, to name but a few. The Mexican tricolor is green, white, ...

Teeth play a fundamental role in the digestive system of a human, chewing food into pieces small enough to be swallowed and pass out of the stomach. But without teeth, how do birds process any large ...

Popular folklore has long linked corvids to being hoarders, lining their nests with sparkly treasures and metallic objects. But is there any truth behind these stories, and if so, why do crows like ...