Gavilán de Nicobar Tachyspiza butleri

Small raptor with short wings. Male is gray above with thin brown barring on the pale underparts, and a black tail tip. Female is browner overall. Similar to Shikra, but Nicobar Sparrowhawk is smaller and paler, and has no tail bands. Known to be shy; sticks to treetops in forested habitats. Limited range restricted to a few of the Nicobar Islands.