Great Argus 16 Jan 2020 Anybody ever hear these guys calling? A pair were at the front of the aviary calling when I visited, they make a very unusual mooing sound.
Anybody ever hear these guys calling? A pair were at the front of the aviary calling when I visited, they make a very unusual mooing sound.
Ding Lingwei 16 Jan 2020 @Great Argus That's why they're also called calfbirds... It is such a pity that I've never heard them calling despite seeing the species for multiple times at three different institutions.
@Great Argus That's why they're also called calfbirds... It is such a pity that I've never heard them calling despite seeing the species for multiple times at three different institutions.
