Birds (class Aves) are a clade of endothermic, egg-laying vertebrates characterized by feathers, toothless beaked jaws, a lightweight but strong skeleton with pneumatic bones, and forelimbs modified as wings. They possess a highly efficient respiratory system with air sacs and unidirectional airflow, a four-chambered heart, and high metabolic rates supporting sustained activity and, in most species, powered flight. Reproduction is oviparous with hard-shelled, calcium-rich eggs and extensive parental care. Birds exhibit diverse morphologies and ecological strategies, yet share key synapomorphies such as feathers and a furcula, reflecting their origin within theropod dinosaurs.
Scientists have discovered mosquitoes can act like tiny "flying wildlife surveyors," helping researchers detect elusive and endangered animals in Australia's national parks. A team from Macquarie University and the Department ...
Ecology
Mar 19, 2026
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Recent data showing an increase in lead exposure and deaths among critically endangered California condors seems to fly in the face of decades of conservation measures, including bans on lead bullets and public-education ...
Plants & Animals
Mar 18, 2026
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A previously unknown species of leaf warbler has been discovered in Japan. The Ijima's Leaf Warbler has proven to be two different species, not just one. Every year, a few new bird species are identified around the world. ...
Plants & Animals
Mar 17, 2026
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Since the 1970s, the U.S. has lost billions of birds. We now know that those losses aren't just growing—they are accelerating in places with intensive human activity, particularly where agriculture and expanding communities ...
Plants & Animals
Mar 14, 2026
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Every animal carries a microscopic community of bacteria, fungi, and other microbes that play a critical role in health. These gut microbes help regulate the immune system, support digestion, and even influence how animals ...
Ecology
Mar 13, 2026
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Research led by the University of Cambridge and the RSPB shows that farming wetland-adapted crops on wetter peat—known as paludiculture—can support richer and more diverse bird communities than drained grassland.
Plants & Animals
Mar 12, 2026
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Scientists at the University of East Anglia (U.K.) have uncovered a hidden link between gut health and the immune system—all thanks to a tiny island bird. Researchers studied the Seychelles warbler, a small songbird found ...
Ecology
Mar 11, 2026
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New research from the University of Oxford shows that cold snaps and heavy rain can stunt growth and reduce survival prospects in UK great tit nestlings. However, breeding earlier within a season appears to buffer against ...
Plants & Animals
Mar 11, 2026
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The first camera survey ever conducted on Truwana/Cape Barren Island off Tasmania has recorded two rarely seen animals—white-footed dunnarts and blonde echidnas. A vulnerable shorebird—the Latham's snipe—was also photographed.
Plants & Animals
Mar 11, 2026
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The genus Gracixalus belongs to the family of Old World Tree Frogs and is geographically dispersed from Myanmar and western Thailand to Laos, Vietnam, and further to southern China. Despite the considerable amount of research ...
Plants & Animals
Mar 10, 2026
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