Special Assignment for Portuguese Public Television (RTP) in Azores (Portugal) about Garajau (sterna hirundo).
It´s a seabird belonging to the family Sternidae.
The species of the genus Sterna have in common the characteristic black hat, which, in the plumage
Bridal, extends from the forehead to the nape. The tern-pointed red beak common features
with the tip black, red and short legs and upper body and wings of a very pale gray.
When in flight, the observation of the primary external darker help much to distinguish it from
tern, Arctic, since it has greater extension of the latter black.