A new species has recently been discovered, and this one ranks as the second smallest known vertebrate in the world. It belongs to the genus Brachycephalus, which is generally called flea toads.

The elf owl, the smallest owl in the world, inhabits the deserts of the ... hunting insects and small vertebrates. The elf owl is known for its unique nesting habits, using thread snakes and ...

(CNN) — Pygmy seahorses, about the size of a fingernail, are some of the smallest vertebrates in the world. First discovered in 1969, little was known about the creatures. But in the early 2000s ...