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Biology Articles » Zoology » Ornithology

Ornithology

Articles on Ornithology – the science of birds


Ornithology Articles

Flight Speeds among Bird Species: Allometric and Phylogenetic Effects
Flight speed is expected to increase with mass and wing loading among flying animals and aircraft for fundamental aerodynamic reasons.

Date: 11 Jul 2008, Rating: 5.00, 7 pages

Human influences challenge penguin populations
Global warming, fishing and petroleum pollution lower breeding success of the seabirds

Date: 11 Jul 2008, Rating: 3.00

Migrating songbirds learn survival tips on the fly
Migrating songbirds take their survival cues from local winged residents when flying through unfamiliar territory, a new Queen's University-led study shows.

Date: 11 Jul 2008, Rating: 5.00

Human vision inadequate for research on bird vision
The most attractive male birds attract more females and as a result are most successful in terms of reproduction.

Date: 11 Jul 2008, Rating: not rated

Ornithologists announce discovery of new bird species
The announcement of the discovery of a new bird comes with a twist: It's a white-eye, but its eye isn't white.

Date: 11 Jul 2008, Rating: 2.33

Early bird doesn't always get worm, UNC researcher finds
Competing against older brothers and sisters can be tough work, as any youngest child will tell you.

Date: 11 Jul 2008, Rating: not rated

Scientists to discover why flamingos are in the pink of health -- in the poo!
A University of Leicester ecologist is setting out to discover why flamingos are so in the pink of health - in the poo!

Date: 11 Jul 2008, Rating: 1.00

Wandering Albatrosses Follow Their Nose
The first study of how individual wandering albatrosses find food shows that the birds rely heavily on their sense of smell. The birds can pick up a scent from several miles away, U.S. and French researchers have found.

Date: 11 Jul 2008, Rating: 5.00

A tradeoff between immunocompetence and sexual ornamentation in domestic fowl
These results support the idea that a tradeoff with immune function may constrain the expression of secondary sexual ornaments.

Date: 23 Oct 2007, Rating: 3.00, 6 pages

Genetic covariance between indices of body condition and immunocompetence in a passerine bird
The overall aim of this study was to test directly for genetic covariance between indices of body condition and immunocompetence in a small passerine bird, the zebra finch Taeniopygia guttata.

Date: 23 Oct 2007, Rating: 3.00, 9 pages

Video analysis of the escape flight of Pileated Woodpecker Dryocopus pileatus: does the Ivory-billed Woodpecker Campephilus principalis persist in continental North America?
The apparent rediscovery of the Ivory-billed Woodpecker Campephilus principalis in Arkansas, USA, previously feared extinct, was supported by video evidence of a single bird in flight

Date: 23 Oct 2007, Rating: 4.50, 9 pages

Ancient birds flew on all-fours
Bird flight evolved using front and hind limbs as wings, new fossil study argues

Date: 23 Oct 2007, Rating: 4.00

Grassland Birds Are Not Nesting In Non-Native Grasses
Populations of many grassland bird species have declined significantly in the last 30 years, according to breeding bird surveys

Date: 23 Oct 2007, Rating: 4.00

Progress in auditory hair cell studies in birds points way to possible human hearing improvement
Scientists have known for years that birds' ears do something human ears cannot: when hair cells in the avian ear are destroyed, the bird goes deaf only temporarily.

Date: 23 Oct 2007, Rating: 2.00

DNA research reveals new bird species in Colorado
Neither a tree-dweller nor a night bird, and roughly the size of a chicken, the Gunnison sage-grouse is not a particularly secretive bird yet just recently has it been identified as a new species of bird.

Date: 22 Oct 2007, Rating: 5.00

New bird species found in Idaho
New finch species demonstrates the co-evolutionary arms race

Date: 22 Oct 2007, Rating: 2.00

Mother Birds Give A Nutritional Leg Up To Chicks With Unattractive Fathers
Mother birds deposit variable amounts of antioxidants into egg yolks, and it has long been theorized that females invest more in offspring sired by better quality males.

Date: 22 Oct 2007, Rating: 2.50

Birds going extinct faster due to human activities
Human activities have caused some 500 bird species worldwide to go extinct over the past five millennia, and 21st-century extinction rates likely will accelerate to approximately 10 additional species per year unless societies take action to reverse the t

Date: 6 Jul 2006, Rating: 6.84