Hummingbirds are some of the most brightly-colored things in the entire world. Their feathers are iridescent— light bounces off them like a soap bubble, resulting in shimmering hues that shift as you look at them from different ...
Evolution
Jan 10, 2020
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Why have some plant species changed pollinators in their evolution? An international team of researchers from the Universities of Bonn and Xi'an Jiaotong-Liverpool University Suzhou (China) studied the reproductive systems ...
Plants & Animals
Feb 18, 2022
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(PhysOrg.com) -- A new study of auklets suggests the birds use their ornamental feathers in much the same way as cats use their whiskers: to feel their surroundings.
The secret to the flight of the hummingbird and other tiny birds and insects lies in the looping, swirling flow of air, called a vortex, that their flapping wings create.
Engineering
Dec 16, 2009
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A new book presents the first detailed and comprehensive analysis of the famous Gaia Hypothesis, and finds it to be inconsistent with modern evidence.
Earth Sciences
Jul 3, 2013
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(Phys.org) -- Hummingbirds are an interesting creatures. They dart around and fly like insects yet because they are warm blooded and cute, they inspire smiles in most who watch them. What’s not so cute is watching an ...
The pink-throated brilliant hummingbird, Heliodoxa gularis, has, unsurprisingly, a brilliant pink throat. So does its cousin, the rufous-webbed brilliant hummingbird, Heliodoxa branickii. When scientists found a Heliodoxa ...
Plants & Animals
Feb 28, 2023
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Though famous for their mid-air hovering during hunting, tiny hummingbirds have another trait that is literally telltale: males of some hummingbird species generate loud sounds with their tail feathers while courting females. ...
Plants & Animals
Sep 8, 2011
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Stanford mechanical engineering professor David Lentink and his students capture slow-motion video from the fastest wings in the bird world, with an eye toward building flying robots that take design cues from Mother Nature.
Engineering
Jul 3, 2013
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When it comes to flirting, animals know how to put on a show. In the bird world, males often go to great lengths to attract female attention, like peacocks shaking their tail feathers and manakins performing complex dance ...
Plants & Animals
Dec 18, 2018
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