Yes see: http://en.wikipedia.org/wiki/Whirlybirds
I think that the years he was most productive in were the twenties and thirties, but most people say his best years were from the fifties to the mid-sixties, from about "Strangers on a Train" to "Marnie". (Think of the films in the middle: "Rear Window", "To Catch a Thief", "Vertigo", "North by Northwest", "Psycho", and "The Birds".)
"The Birds."
really? NO
Robins belong to the Aves class and are considered birds. Though normally very solitary, they do group. In the United States, they are called waves. In Great Britain, they are called rounds or breasts.
No they never fight. They race with the rival gang.
I think they are called whirlygigs. There are several sites on Whirly Gigs, Anders Lunde has a Book with plans and ideas on making them. Its called "Easy to make Whirly Gigs (woodworking Whirly Gigs) GOOD-LUCK ! Another excellent source is Meisel Hardware Specialties. They have many whirly gigs + other ornamental things to make. * www.meiselwoodhobby.com
I think that the years he was most productive in were the twenties and thirties, but most people say his best years were from the fifties to the mid-sixties, from about "Strangers on a Train" to "Marnie". (Think of the films in the middle: "Rear Window", "To Catch a Thief", "Vertigo", "North by Northwest", "Psycho", and "The Birds".)
They are called Birds of Prey.
The study of birds is called Ornithology.
The collective noun is a flock of birds.
The study of birds is called ornithology The person who studies birds is called an ornithologist
It is a FLOCK of birds.
These birds are called "Flickys".
Ancient birds
A group of kiwi birds is called a tribe.
Birds that migrate are called migratory birds. Birds that do no migrate are called sedentary birds. Over 4000 species of birds migrate, mostly those native to colder regions.
Birds lungs are called lungs but birds also possess air sacs for help in respiration .