Birds that make you say 'whoa' in this week's best animal pictures

A king vulture looks crossed-eyed at the camera in the Berlin Zoo. The bird is mainly found in Middle- and South America.

A Brunner Pouter pigeon is displayed in the Fancy Pigeon Exhibit at the annual two-day British Homing World Show of the Year held in the Winter Gardens in Blackpool, England, on Jan. 22. The show, run by the Royal Pigeon Racing Association, is the largest gathering of Pigeon Fanciers in the United Kingdom and around 2500 birds are on display.

An Indian Fantail pigeon seen at the "Fancy Pigeon Exhibit" in England.

An olive-backed sunbird feeds its two babies insects in their nest in Klang, Selangor, Malaysia on Saturday, Jan. 21. Sunbirds, a group of very small passerine birds and feed largely on nectar, although they will also take insects, especially when feeding their young.

A shoebill is seen at the Ueno zoo in Tokyo, Japan. Founded in 1882, the Ueno Zoological Gardens is the oldest zoo in Japan.

A golden pheasant is seen at Hangzhou Safari Park in Hangzhou, China, November. According to local media, the pheasant gains popularity as its golden feathers resemble the hairstyle of President Donald Trump.

A houbara bustard bird is seen at the Al-Marzoum Reserve near Abu Dhabi on Jan. 21.

An African crowned crane grooms itself at the Jurong Bird Park in Singapore.

This Philippine eagle is seen inside a cage at the Center for Philippine Raptors at the University of the Philippines. The eagle, the country's national bird, is an endemic critically endangered species believed to have only a few hundred species left in captivity and in the wild.

A Taiwan's barbet, Muller's barbet, one of Taiwan endemic species of bird, stands guard by its nest on a street tree in Taipei. Muller's barbets are a sub-species of bird endemic to Taiwan commonly found in broad-leaved forests, mixed forests, and in the middle and upper levels of secondary forests at altitudes of 1.5 miles and below.

Murchison, a baby Rothschild giraffe, receives attention from other giraffes as he ventures out of the Giraffe House at Chester Zoo in Chester, England, on Jan. 19 for the first time. Despite the best efforts of the keepers the calf has been reluctant to step into the outdoors until today.