Perching birds correspond to the order Passeriformes, the largest avian order, characterized by an anisodactyl foot arrangement (three toes directed anteriorly and one posterior hallux) that facilitates strong grasping of branches and other substrates. They exhibit a specialized tendon-locking mechanism in the leg that passively tightens when the limb is flexed, enabling secure perching during rest and sleep. Passeriformes typically display well-developed vocal organs (syrinx) and, in many lineages, complex song behavior. The group encompasses extensive ecological diversity, but is unified anatomically by perching adaptations, particular skeletal features of the feet and pelvis, and distinctive syringeal musculature.
Imagine you're driving down a winding road when you spot an injured possum. Your instincts might tell you to hit the brakes, check what's wrong and bundle it into your car. Research shows many of us want to help wild animals ...
Ecology
Jul 24, 2026
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Every year, billions of migratory birds connect the world's continents, oceans and ecosystems as they undertake epic journeys between their foraging habitats and breeding grounds.
Ecology
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Scientists have known for years that birds like geese and ibises gain an aerodynamic advantage from flying in a "V" formation. Now, researchers from Brown University have provided new insights into the nature of that advantage.
Plants & Animals
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University of Michigan researchers have used an AI tool to demonstrate that birds in the group Passeriformes evolved in rapid evolutionary bursts and that these bursts frequently coincided with climate shifts throughout Earth's ...
Evolution
Jul 20, 2026
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If you've driven down two-lane highways in rural parts of North Florida recently, you may have noticed a spate of new signs that designate the grassy knolls bordering the asphalt as wildflower areas. The signs likely feel ...
Plants & Animals
Jul 18, 2026
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Mosquitoes are widely known for transmitting diseases such as malaria and dengue fever to humans, but less is known about the diseases they can transmit to wild birds. The Plasmodium parasite that causes avian malaria is ...
Ecology
Jul 17, 2026
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A sweeping new Cal Poly study of North American birds reveals that environmental change does not affect all species equally and that a bird's traits can explain whether populations rise or fall as local conditions change.
Plants & Animals
Jul 15, 2026
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Plants & Animals
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Australia is racing to contain the spread of highly pathogenic avian influenza (HPAI), which is now believed to have infected seven seabirds.
Ecology
Jul 8, 2026
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Plants & Animals
Jul 7, 2026
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