Ambystomates, transverse-toothed (Ambystomatidae) is a family of tailed amphibians that includes more than 30 species with teeth arranged in rows transverse to the long body axis. Ambystomatidae are found only in North America. Most species live in standing water. ¹⁾

Bactrian camels live in remote parts of the Gobi and Taklamakan deserts, migrating in winter to the rivers of southern Siberia. ²⁾

African Gray Parrots inhabit central Africa and São Tomé and Príncipe, mostly in dense forests. They are among the most intelligent parrots and have outstanding sound-making abilities. ³⁾

All species of hummingbirds are found only in the Americas; you won't encounter them on any other continent. ⁴⁾

The black swan (Cygnus atratus) is found in Australia, Tasmania, and New Zealand. Until the discovery of Australia, it was thought that all swans were white. Black swans are not completely black, the white is the ailerons in the wings. Since the late 18th/19th century, black swans have been bred as ornamental birds in Western Europe, especially in Britain. ⁵⁾