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Ornithology



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5Vote!

The Evolution Of Bat Migration

Researchers reconstruct the evolution of bat migration with the aid of a mathematical modelNot just birds, but also a few species of bats face a long journey every year. Researchers at Princeton University in the U.S. and at the Max Planck Institute for Ornithology in Radolfzell, Germany studied the migratory behavior of the largest extant family of bats, the so-called "Vespertilionidae"...

5Vote!

We're off then: The evolution of bat migration

(PhysOrg.com) -- Not just birds, but also a few species of bats face a long journey every year. Researchers at Princeton University in the U.S. and at the Max Planck Institute for Ornithology in Radolfzell, Germany studied the migratory behaviour of the largest extant family of bats, the so-called "Vespertilionidae" with the help of mathematical models. They discovered that the migration...

6Vote!

Loose Feathers #213

Emperor Penguins / Photo by lin padgham Bird and birding news A study of the fossil record argues that there were six genera and nine species of moas (much lower than other estimates) and that the North and South Islands of New Zealand have been geographically isolated for 20-30 million years. The Puerto Rican Nightjar's range is much than previously estimated ; in all this species has 1,400-2,000...

5Vote!

Darwin's mockingbirds DNA research may help species recovery

(PhysOrg.com) -- New research could help protect the future of a rare bird in the Galapagos Islands that was an inspiration for Darwin`s theory of evolution by natural selection, scientists report in a paper published in the Royal Society Journal Biology Letters today.

5Vote!

A New Species of Finch may have Evolved in the Galapagos

AUTHOR: Daniel Cressey SOURCE: Nature.com News COMMENTARY: Allen MacNeill As I have noted in several recent blogposts, Charles Darwin's Origin of Species was published 150 years ago this month . One of Darwin's crucial examples of descent with modification in the Origin was the evolutionary diversification of a group of finches now usually referred to as "Darwin's finches" . In the Origin...

6Vote!

Loose Feathers #212

Pileated Woodpecker Pair / Photo by Jerry Downs Bird news New research has finally demonstrated that male Club-winged Manakins "sing" by vibrating specialized feathers together . Male animals, such as birds, fish, and odonates, show such a striking diversity of colors and shapes in part to attract females of their own species but also to help them recognize competitors of their own species...

7Vote!

Brown Pelican Removed From Endangered List

After a forty year fight to save the brown pelican from extinction, the resilient creature appears to have had a significant comeback.On Wednesday, Interior Department officials announced that they were officially delisting the bird as an endangered species, reported the Associated Press.Now common in Florida, the Gulf and Pacific coasts and the Caribbean, the bird was initially declared an endangered...

3Vote!

Commercial fishing gear kills one albatross every five minutes

Scientists call for new measures to protect the seabirds as experts warn one albatross drowns every five minutes after becoming entangled in fishing gear Press Association guardian.co.uk, Monday 9 November 2009 11.31 GMT Albatrosses and other birds are facing extinction as they become tangled in commercial fishing gear, conservation organisations warned today. Thirty-seven species of seabird are at...

3Vote!

Three Brief Warbler Questions......(BELOW)

(Drawing of Bachman's Warbler, left) Here’s three questions I’ve received recently, but I’m too busy with deadlines this week (and, in addition, I’m preparing to teach an Ornithology class at Merritt College that begins soon, I’ve got “one-liners” for answers. 1. Warbler Guy: How many wood-warbler (Parulidae Family) members are there within the A.O.U. checklist...

4Vote!

UK farmland birds continue to decline

Farmland birds like skylarks and grey partridges have declined by more than half in the last 30 years according to new Government statistics. By Louise Gray, Environment Correspondent Published: 7:00AM GMT 30 Oct 2009 The Department for Environment, Food and Rural Affairs (Defra) English farmland bird index, which covers 19 birds including yellowhammer and woodpigeon, showed a continued trend in declining...

4Vote!

Britain's rare birds get more common, as common birds get rarer

By John Platt More than half of the U.K.'s rarest birds have seen recent population increases, according to the 10th annual "State of the U.K.'s Birds" report ( pdf ) . Published by the Royal Society for the Protection of Birds (RSPB) in association with several local conservation groups, the report assesses the status of 210 bird species. Of the 63 rarest U.K. bird species (those with fewer...

7Vote!

Mystery Birds: American White Pelican, Pelecanus erythrorhynchos

tags: Rough-billed Pelican , American White Pelican , Pelecanus erythrorhynchos , birds , mystery bird , bird ID quiz [Mystery birds] American White Pelican, sometimes known as the Rough-billed Pelican due to the structure that develops on the upper mandible of breeding adults, Pelecanus erythrorhynchos , photographed at Smith Point, Texas. Numerous Broad-winged hawks, Buteo platypterus (background)...

3Vote!

Saltwater intrusion threatens Australia wetlands

By Ben Cubby, October 27, 2009 AUSTRALIA must create a new, expanded network of protected wetlands around its coastline or see many bird, animal and plant species become extinct as sea levels rise, the House of Representatives report says. It recommended that the Government should urgently assess the vulnerability of Kakadu National Park to the intrusion of salt water into its fresh water wetlands....

6Vote!

Birds change their tune to adapt to life in the big city

Like the human language, bird singing demonstrates a remarkable capacity for variation. Some bird species have the ability to modify their dialects over the course of a single generation—if not less. The indigo bunting and yellow-rumped cacique, for instance, have been known to change their tune in a year or less. In other cases, species like the wood thrush have kept the dialects used by their...

6Vote!

Loose Feathers #208

Sora (Porzana carolina) / Photo by Mike Baird Bird and birding news Twelve endangered puaiohi , or small Kauai thrush, were released on Kauai in Hawaii after being raised in captivity at the San Diego Zoo. The release is part of an effort to boost the species's population. Before it became a hawk-watching site, Hawk Mountain was a popular place for hunters to gather and shoot migrating raptors . That...

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3Vote!

Designing A Decorative Bird House

Designing A Bird House When starting to build your backyard birdhouse it is essential to distinguish the species or family of the birds that usually visit your garden or backyard. Birds have to be one of the best ways of enjoying your garden. C...