Birds News
April 23, 2019

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updated 9:54am EDT

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April 23, 2019

Screw-Shaped Bird Sperm Swim Faster -- But It Comes at a Cost

Apr. 4, 2019 — New research suggests that bird sperm cells with a spiral or screw-like shape swim faster than straighter sperm -- but that the spiral shape also makes them more ... read more

Apr. 3, 2019 — Unsustainable harvesting, including hunting, trapping, fishing and logging, is one of the biggest threats to biodiversity. Hotspots have now been identified by ... read more

Fatal Chirps: Nocturnal Flight Calls Increase Building Collisions Among Migrating Birds

Apr. 2, 2019 — Birds that produce faint chirps called flight calls during nighttime migration collide with illuminated buildings much more often than closely related species that don't produce such calls, ... read more

Brightly-Colored Fairy Wrens Not Attacked by Predators More Than Their Dull Counterparts

Apr. 2, 2019 — Biologists have examined the factors that drive the predation levels of Australia's fairy wrens. After measuring attack rates on both conspicuously and dull colored 3D fairy wren models in ... read more

Chicago Tops List of Most Dangerous Cities for Migrating Birds

Apr. 1, 2019 — Scientists have ranked metropolitan areas where, due to a combination of light pollution and geography, birds are at the greatest risk of becoming attracted to and disoriented by lights and crashing ... read more

The Evolution of Bird-of-Paradise Sex Chromosomes Revealed

Apr. 1, 2019 — Birds-of-paradise are a group of songbird species, and are known for their magnificent male plumage and bewildering sexual display. Now, an international collaborative work has analyzed all together ... read more

Mar. 28, 2019 — Feather mites help to remove bacteria and fungi from the feathers of birds, according to a new study. In fact, the relationship between these mites and their hosts could be considered mutualism, with ... read more

Mar. 27, 2019 — Through persistent detective work and advances in genetic sequencing technology, researchers have discovered a new species of bird on Borneo -- the Cream-eyed Bulbul, or Pycnonotus ... read more

Mar. 27, 2019 — New research has found that birds are as picky as coffee snobs when it comes to the trees they'll migrate to for a summer habitat. Migratory birds prefer foraging in native leguminous tree ... read more

Speciation: Birds of a Feather...

Mar. 26, 2019 — Carrion crows and hooded crows are almost indistinguishable genetically, and hybrid offspring are fertile. Biologists now show that the two forms have remained distinct largely owing to the dominant ... read more

Mar. 26, 2019 — Researchers analyzed how people who feed birds notice and respond to natural events at their feeders by collaborating with Project FeederWatch, a program that engages more than 25,000 people to ... read more

Getting Help With the Kids Slows Down Ageing in Female Birds

Mar. 21, 2019 — Seychelles warblers live and breed in family groups on the tiny island of Cousin. In each group, a dominant female and male reproduce. When helpers assist the with incubation and feeding of chicks, ... read more

Broad Impacts from Lake Trout Invasion in Yellowstone

Mar. 20, 2019 — Scientists analyzed data spanning more than four decades and concluded that the impact of lake trout in Yellowstone Lake -- in particular, the decline of native cutthroat trout -- has cascaded across ... read more

Ant Larvae Fight the Offspring of Parasitic Queens

Mar. 20, 2019 — The eggs of a parasitic ant queen living off a foreign species may end up as food for the larvae of the host ... read more

Bromethalin Is Poisoning the Parrots of Telegraph Hill, Study Finds

Mar. 18, 2019 — Bromethalin, a common rat poison, is the agent responsible for a neurological disease that has sickened or killed birds from a popular flock of naturalized parrots that reside primarily in the ... read more

Mar. 18, 2019 — A new study of American alligators found that the reptiles form neural maps of sound in the same way birds ... read more

Climate Change Negatively Affects Waterbirds in the American West

Mar. 18, 2019 — New research shows that recent climate change is having profound effects on wetlands across the American West - affecting birds that use these wetlands for breeding, migration and ... read more

Why Fly the Coop? With Shortage of Mates, Some Birds Choose to Help Others Raise Offspring

Mar. 14, 2019 — After a five-year experiment, researchers in Florida found that when fewer mates were available for brown-headed nuthatches, these small pine-forest birds opted to stay home and help their parents or ... read more

Mar. 13, 2019 — Engineers have captured the full complexity of bat flight in a three-dimensional computer model for the first time, potentially inspiring the future design of better drones and other aerial ... read more

Desert Plants Provided by Homeowners Offer Habitat for Desert Bird Species

Mar. 12, 2019 — A persistent question among urban ecology researchers has been the long-term impact of urbanization on bird species biodiversity. Specifically, they wonder whether the portions of cities with higher ... read more

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