These are aggressive and fearless birds, 32 cm in length, and will attack much larger species if their nest or young are threatened. This courageous drongo usually leads the mixed feeding flocks typical of Asian jungle habitats.
Also known as the great Indian hornbill, Concave casqued hornbill, Indian pied hornbill, this species does not have any yellow pigment, it all comes from a special gland on the bird's back.
the nostrils are located halfway along the bill rather than at the base as in most birds. This is so the chicks can submerge themselves to hide from danger but still be able to breathe
Desmodus draculae was described in 1988 from Pleistocene fossils, and was 25% larger than living species. There are local reports of very large bats attacking cattle in Brazil, which some have attributed to surviving D. draculae