adjutant stork

noun
1.
a large Indian stork, Leptoptilus dubius, having a pinkish-brown neck and bill, a large naked pouch under the throat, and a military gait.
Also called adjutant, adjutant bird.
British Dictionary definitions for adjutant bird

adjutant bird

noun
1.
either of two large carrion-eating storks, Leptoptilos dubius or L. javanicus, which are closely related and similar to the marabou and occur in S and SE Asia
Word Origin
so called for its supposedly military gait