Any animal ascending a mountain experiences a double whammy of impediments: The air gets thinner as it also becomes colder, which is particularly problematic for creatures struggling to keep warm when less oxygen is available. ...
Plants & Animals
May 27, 2022
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225
At night, hummingbirds lower their body temperature and metabolism drastically by dropping into an energy-saving state of inactivity called torpor. Scientists from multiple universities now find there's more than one level ...
Plants & Animals
Feb 2, 2022
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47
Ruby-throated hummingbirds use the same energy-conserving strategy to survive overnight fasts and build the fat stores they need to fuel long migrations, shows a study published in eLife.
Plants & Animals
Dec 14, 2021
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47
In less time than it takes to read this sentence, hummingbirds can catch a whiff of potential trouble. That's the result of new UC Riverside research showing, contrary to popular belief, the tiny birds do have an active sense ...
Ecology
Sep 6, 2021
1
421
Much like in human society, female hummingbirds have taken it into their own hands to avoid harassment. By watching white-necked Jacobin hummingbirds in Panama, researchers discovered that over a quarter of females have the ...
Plants & Animals
Aug 26, 2021
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682
The hummingbird is named after the humming sound it makes when it hovers in front of flowers to feed. But only now has it become clear how the wing generates the hummingbird's namesake sound when it is beating rapidly at ...
Plants & Animals
Mar 16, 2021
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1623
A team of researchers from the U.S. and South Africa has discovered that several species of hummingbirds living in the Andes drastically reduce their body temperatures during their nightly torpor. In their paper published ...
Perched on a flowering shrub on a windy Andean mountainside, the tiny Ecuadorian Hillstar hummingbird chirps songs of seduction that only another bird of its kind can hear.
Ecology
Jul 17, 2020
0
591
A team of researchers from the University of St Andrews in the U.K. and the University of Lethbridge in Canada has found that hummingbirds are able to understand the concept of numerical order. In their paper published in ...
When the tree fell that October in 2015, the tropical giant didn't go down alone. Hundreds of neighboring trees went with it, opening a massive 2.5-acre gap in the Panamanian rainforest.
Plants & Animals
Apr 24, 2020
0
497
