Pacific swift
This bird is medium-sized.  its body is 18 to 21 cm long and it is 40-42 cm wide from wingtip to wingtip.  Its feathers are mostly black, but it has a band of white feathers on its rear end.  Its tail is forked, or split into two pieces.  It can fly at least 300 m up in the air.  It looks for food over open areas, towns, grasslands or even sand dunes near the ocean.  It eats insects that it catches in the air.