It was only in 1939 that this Altamira Oriole was first found north of the Rio Grande River. Now it happily visits residents on the Texas side of the river, especially where a juicy orange half waits in a backyard feeder. Northerly breeding orioles, like Bullock's in the West and the…

The family of seabirds called alcids is an eclectic bunch that includes puffins and murres. The largest alcids are about the size of a duck, but the smallest — called the Least Auklet — could fit in the palm of your hand. With their short wings whirring, these miniature seabirds look like…

A bird’s crest is made up of a slender array of feathers on top of their head. These feathers are a bit longer and can be spiked up or slicked back, depending on what the bird is trying to communicate. Even birds without crests, like crows or sparrows, sometimes puff up their short crown…

Sharp-shinned Hawks are swift, bird-catching predators. The male is jay-sized. The female stands a head taller and weighs almost twice as much. Female birds of prey are most notably bigger than males among hawk species that hunt very agile prey, such as other birds. The smaller male will…

Except around Easter, chicken eggs usually come in a predictable range of colors: white, brown, and sometimes pale blue or green. Chickens are descended from the Red Jungle Fowl of Southeast Asia, which has been providing eggs for humans for thousands of years. The final color of an egg…

Crested Auklets are small seabirds that nest on remote cliffs in the Northern Pacific and the Bering Sea. But it’s their smell that really sets these birds apart. They smell like tangerines! Experiments show that females go for males that emit the strongest scents. Escucha este episodio en…

Nature has produced some exceptionally strange animals. One such creature is the Oilbird of northern South America. The Oilbird prefers a diet of wild berries and fruits, especially lipid-rich fruits like palm nuts and avocados (which leads to fatty young and the Oilbird's name). This…

The ancient Greeks believed the gods turned two distraught lovers into kingfishers — or “halcyon birds.” Thanks to divine assistance, these birds would enjoy calm weather during their nesting period. Even today, many kingfishers have echoes of this story in their scientific names.

The song of this male Black-headed Grosbeak has been described as that of a drunken or scat-singing robin. Compare the songs of both birds, and draw your own conclusion! Singing Black-headed Grosbeaks can be heard from May well into summer, especially in streamside woods.

High in the mountains of Chiapas, the southernmost state of Mexico, a male Highland Guan is performing his territorial display. The Highland Guan perches on a tree-branch, whistles, and then glides on vibrating wings. The resulting wondrous sound is like no other. The bird’s display…