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Posts posted by ScienceDaily
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Neuroscientists have demonstrated in new research that dopamine plays a key role in how songbirds learn complex new sounds.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/9hhfRA1rbiw
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Following habitat-destroying wildfires, researchers found many male red-backed fairywrens failed to molt into their ornamental plumage, making them less attractive to potential mates. They also had lowered circulating testosterone, which has been associated with their showy feathers. The birds' fat stores and stress hormone corticosterone remained at normal levels. While the findings are specific to this songbird, they may have implications for other species that don special coloration for mating.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/s4J3Uc9vLtU
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Researchers provide a first look at the probability of observing common birds as air pollution worsens during wildfire seasons. They found that smoke affected the ability to detect more than a third of the bird species studied in Washington state over a four-year period. Sometimes smoke made it harder to observe birds, while other species were actually easier to detect when smoke was present.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/JNn36U8RVBc
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An incredibly rare hybrid warbler with mismatched color patterns has allowed researchers to disentangle the genetic drivers of two traits that usually come as a package deal -- the black face mask and the black throat patch in blue-winged and golden-winged warblers.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/3Q9Ryyhs5Xo
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Researchers have some good news for the well-meaning masses who place bird feeders in their yards: The small songbirds who visit the feeders seem unlikely to develop an unhealthy reliance on them.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/T6g9gUTkC7Y
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If you listen to songbirds, you will recognize repeated melodies or phrases. Each phrase is made up of distinct sounds, strung together. A study has found that the song phrases of many songbird species follow patterns that are similar to those used in human speech. At least in some respects.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/XrlHy3pkDGc
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Researchers develop a new avian influenza vaccine using plant-based recombinant protein.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/V_vBUy9gbK8
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When a research team reported last year that North American migratory birds have been getting smaller over the past four decades and that their wings have gotten a bit longer, the scientists wondered if they were seeing the fingerprint of earlier spring migrations.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/pZuRj7QA2rw
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It is possible to re-create a bird's song by reading only its brain activity, shows a first proof-of-concept study. The researchers were able to reproduce the songbird's complex vocalizations down to the pitch, volume and timbre of the original. The study is a first step towards developing vocal prostheses for humans who have lost the ability to speak.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/fiARQjNr-_8
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Ecologists are urging coastal communities to embrace all that the season brings, including the sometimes-unwelcome deposits of brown seaweed that can accumulate on the southern shores.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/Zvbn7Ab4RJg
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Ancient chickens lived significantly longer than their modern equivalents because they were seen as sacred -- not food -- archaeologists have found.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/19dZCXojwQ8
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Researchers set out to learn how extreme winter cold and heat affected 41 common bird species in eastern North America. They found that individual bird species respond differently to these weather events, and extreme winter heat may lead to longer-term changes in bird populations.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/kzKciC3qHIE
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The white-tailed sea eagle is known for reacting sensitively to human disturbances. Forestry and agricultural activities are therefore restricted in the immediate vicinity of the nests. However, these seasonal protection periods are too short in the German federal States of Brandenburg (until Aug. 31) and Mecklenburg-Western Pomerania (until July 31), as a new scientific analysis by a team of scientists suggests.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/t0dLBBW-3kE
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A team has discovered the method ducks use to suspend water in their feathers while diving, allowing them to shake it out when surfacing. The discovery opens the door for applications in marine technology.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/AY6kKKulhtE
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Dark 'eyeliner' feathers of peregrine falcons act as sun shields to improve the birds' hunting ability, a new scientific study suggests. Scientists have long speculated that falcons' eye markings improve their ability to target fast-moving prey, like pigeons and doves, in bright sunlight. Now research suggests these markings have evolved according to the climate; the sunnier the bird's habitat, the larger and darker are the tell-tale dark 'sun-shade' feathers.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/OeD7f4HZM2s
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Researchers say that the auditory feedback exchanged between wrens during their opera-like duets momentarily inhibits motor circuits used for singing in the listening partner, which helps link the pair's brains and coordinate turn-taking for a seemingly telepathic performance. The study also offers fresh insight into how humans and other cooperative animals use sensory cues to act in concert with one another.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/1kFSEhCN6hA
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'Pretty' parrots are more likely to be snatched up for Indonesia's illegal wildlife trade, a new study reveals. The findings not only expose the key drivers behind the country's illegal trade in these birds, but offer lessons for the potential emergence and spread of infectious diseases that jump from animals to humans.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/Lz1PY0pT7NM
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There are roughly 50 billion individual birds in the world, a new big data study suggests - about six birds for every human on the planet.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/W4hQCtdQm90
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The study establishes baseline observations for tropical birds in East Africa, filling in an important data gap for monitoring biodiversity and tropical ecosystem health in a warming world.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/50VZ0hPZOgU
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Neuroscientists examining genetically identified neurons in a songbird's forebrain discovered a remarkable landscape of physiology, auditory coding and network roles that mirrored those in the brains of mammals.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/4UTBmOF-LKY
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The wild California condor population dropped to 22 before rescue and captive breeding allowed reintroduction into the wild. A new assembly of the complete genome of the bird reveals some inbreeding as a result, but overall high genomic diversity attesting to large populations of condors in the past, likely in the tens of thousands. Comparison to Andean condor and turkey vulture genomes reveals declines in their populations also, and lower genomic diversity than California condor.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/tMANeq28Qa8
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Traffic noise leads to inaccuracies and delays in the development of song learning in young birds. They also suffer from a suppressed immune system, which is an indicator of chronic stress. A new study shows that young zebra finches, just like children, are particularly vulnerable to the effects of noise because of its potential to interfere with learning at a critical developmental stage.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/rh6mjAq26qc
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Free from human disturbance for a century, an inland island in Central America has nevertheless lost more than 25% of its native bird species since its creation as part of the Panama Canal's construction, and scientists say the losses continue.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/QRfQ284VGVA
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Considered extinct as a breeding species in the early 2000s, the Saker Falcon was recovered when the first active nest from the new history of the species in Bulgaria was discovered in 2018, built by two birds that were reintroduced back in 2015.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/NQFLfBKy0u4
Arctic seabirds are less heat tolerant, more vulnerable to climate change
in Bird Research in the Media
Posted
The Arctic is warming at approximately twice the global rate. A new study finds that cold-adapted Arctic species, like the thick-billed murre, are especially vulnerable to heat stress caused by climate change.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/birds/~4/SlWxnZVhoIo
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