It's possible that it could be a classified military chopper. But it's almost impossible to say 'why' they would be flying.
Below is a link that explains Black Helicopters.
On average, the black flying fox weighs 1.57 lb. In metric units, they weigh around 710 grams. The black flying fox is one of the largest bats in the world.
at least 10 from a total of 50 helicopters downed
black as many helicopters in armys have black helicopter
The Mentalist - 2008 Black Helicopters 6-13 was released on: USA: 9 March 2014
The Mentalist - 2008 Black Helicopters 6-13 is rated/received certificates of: USA:TV-14
chincok, black hawk, cobra
Yes. Some helicopters are actually black, others are very dark green or brown that appear black. Helecopters such as the MH-6 Little Bird, the Pave Low, and the UH-60 Blackhawk
Probably a crow or raven not a penguin
Black Flying Fox was created in 1837.
The same as any another species of swan, by flying, walking, or swimming.
they are called fruit flies.