News tagged with black birds
Flourishing eagles feast on Maine's rare seabirds
May 16, 2009 |
1 / 5 (1) |
3
(AP) -- Bald eagles, bouncing back after years of decline, are swaggering forth with an appetite for great cormorant chicks that threatens to wipe out that bird population in the United States.
Search results for black birds
Study catches two bird populations as they split into seperate species
Jul 14, 2009 |
4.9 / 5 (9) |
2
A new study finds that a change in a single gene has sent two closely related bird populations on their way to becoming two distinct species. The study, published in the August issue of the American Naturalist, is one of ...
Ski tourism stressing capercaillie
Mar 03, 2008 |
5 / 5 (1) |
0
Ski tourism is raising stress levels among capercaillie, which could harm the birds’ fitness and ability to breed successfully, ecologists have found. Writing in the British Ecological Society’s Journal of Applied Ecology, resear ...
Black rat does not bother Mediterranean seabirds
Oct 02, 2009 |
not rated yet |
0
Human activities have meant invasive species have been able to populate parts of the world to which they are not native and alter biodiversity there over thousands of years. Now, an international team of scientists ...
Birds Call to Warn Friends and Enemies
Dec 03, 2009 |
not rated yet |
0
(PhysOrg.com) -- Birds' alarm calls serve both to alert other birds to danger and to warn off predators. And some birds can pull a ventriloquist's trick, singing from the side of their mouths, according to a UC Davis study.
Birds 'See' Earth's Magnetic Field
Nov 16, 2009 |
4.4 / 5 (8) |
2
When birds migrate over long distances -- sometimes thousands of miles -- they usually end up in exactly the same place year after year. Such accurate feats of navigation, accomplished by millions of birds ...
If you flaunt it, you've got it: how red-heads top the pecking order
Jan 01, 2006 |
3.7 / 5 (10) |
0
Red-headed finches dominate their black-headed and yellow-headed peers by physical aggression and by the mere fact of being red-headed, according to research published in the Proceedings of the Royal Society.
Migrating songbirds learn survival tips on the fly
Biology /
Jun 25, 2008 |
4.8 / 5 (5) |
0
Migrating songbirds take their survival cues from local winged residents when flying through unfamiliar territory, a new Queen's University-led study shows. It's a case of "When in Rome, do as the Romans do," ...
Sons or daughters? Female finches use head colour to decide
Mar 19, 2009 |
4.8 / 5 (9) |
0
(PhysOrg.com) -- Researchers studying the behaviour of the stunningly coloured Gouldian finch have made an exciting discovery - females of the species deliberately overproduce sons when breeding with a male ...
Birds communicate reproductive success in song
Biology /
Jun 18, 2008 |
5 / 5 (5) |
1
Some migratory songbirds figure out the best place to live by eavesdropping on the singing of others that successfully have had baby birds – a communication and behavioral trait so strong that researchers playing recorded ...
Complete 'family tree' of all British birds gives clues about which species might be endangered next
Biology /
Jun 11, 2008 |
3 / 5 (2) |
1
A new complete evolutionary 'family tree' showing how all British bird species are related to each other may provide clues about which ones are at risk of population decline, according to new research published ...
List of search results for black birds
