Tag: "hummingbird" at biology news
University of Alberta researchers discover hummingbird secret
... of Psychology in the Faculty of Science, compared hummingbird
brains to 28 other bird species, obtained from the...ecision than a helicopter. It is critical that the hummingbird
remain perfectly still as it feeds itself while darting in and out of flower blossoms with pinpoint ...
Red is for hummingbirds, yellow for moths
...archers suspect the recent increase in San Diego's hummingbird
population, fueled by the growth of suburban developments and gardens, will eventually favor the red over the yellow variety. "Hummingbirds are now three times as dense inland as they were on the coast 50 years ago," said Joshua Kohn, an associate pr...
With a sense of timing, hummingbirds know when they've last emptied a flower
...plies, it would be very efficient if a territorial hummingbird
could also remember when it last emptied a specific flower, so as to plan when to return to next harvest nectar. Returning too early would result in a wasted trip. Returning too late might result in another animal's taking the nectar. Thus, accurate ...
Ultra-fast camera captures how hummingbirds hover
...scientists have now determined the aerodynamics of hummingbird
flight. These latest data disprove conclusions fro...rprised to find that the up stroke in the hovering hummingbird
was much less active than the down stroke. This finding provides new insight into evolutionary trend...
Hummingbird flight an evolutionary marvel
...r the first time they can more fully explain how a hummingbird
can hover. Using a powerful technology that was o..., an assistant professor of zoology at OSU. "But a hummingbird
is a bird, with the physical structure of a bird and all of the related capabilities and limitations...
Hummingbirds lose power at high altitudes
...ies. Though only 75 species are represented in the hummingbird
family tree published in PNAS, he actually has com...rs set out to answer some puzzling questions about hummingbird
flight, which is among the most power-hungry activities of any animal, bird or otherwise. Altshuler ...