Cistothorus palustris. By Cephas, via Wikimedia.

Female flap-necked chameleon. By Charles James Sharp, via Wikimedia.

Two male Phyllomedusa rohdei frogs in Bahia, Brazil. By Renato Augusto Martins, via Wikimedia.

Swimming Malayan Tiger in Dortmund zoological garden. By Hans Stieglitz, via Wikimedia.

Zitting Cisticola or possibly golden-headed cisticola, feeding its chicks. By Budi Santoso Adji, via Wikimedia.

Capibaras (Hydrochoerus hydrochaeris) in the Tiete River protected area in the state of Sao Paulo, Brazil. By Clodomiro Esteves Junior, via Wikimedia.

Male sword-billed hummingbird. By Andy Morffew, via Wikimedia.