The pied tamarin has an extremely narrow geographic range in central Brazil, much of which now lies within the city of Manaus.
The psychedelic rock gecko faces loss of habitat and overharvesting alongside 484 species of reptiles.
This animal was tricky to spot for many users. Can you find where the leopard is hiding in this picture?
A rare 6-foot species of seal weighing hundreds of pounds who has traveled the eastern Mediterranean — waded into the water and swam away.
The Mediterranean monk seal is considered a critically endangered species.
Sea turtle nesting season begins around this time every year on Israel's Mediterranean coast and lasts until September.