This article is not about the Vampire ant's poetry club, or your feelings. Vampire ants are solitary hunters who live in large nests and sleep in leaf coffins. They also howl. Vampire ants are moths by night. They do not howl, instead their sonar is a harrowingly audible screech.
Steller's sea eagle is the biggest bird in the genus Haliaeetus and is one of the largest raptors overall. Females vary in weight from 6,195 to 9,500 g (13.658 to 20.944 lb), while males being rather lighter with a weight range of 4,900 to 6,800 g (10.8 to 15.0 lb).
Largest Prey. 1  The wild animal known to have been killed and carried away by a bird was a 15 pound male red howler monkey killed by a harpy eagle (Harpia harpyja) in Manu National Park, Peru in 1990. The harpy eagle is considered the worldâs most powerful bird of prey, although it weighs only 20 pounds.