…From Bugs to Birds The researchers also pointed out possible bottom-up effects on insect-eating birds. “Our results suggest that urbanization affects the availability of arthropod prey, which is expected to…
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…to understand one of the age-old mysteries of paleontology: why all the non-bird dinosaurs died, but birds and mammals endured.” Adaptive Strategies of Survivors Co-lead author, Alfio Alessandro Chiarenza, Department…
…there were just 51 individuals left, but intense conservation efforts have helped the species rebound to around 250 birds. Kākāpō come in one of two colors — green or olive…
…render the birds unmarketable, causing significant economic losses for growers, who sometimes see the disease in up to half their flocks. The UD research team, led by Behnam Abasht, associate…
…and gave rise to reptiles, birds, and mammals. Yet the fossil had been crushed so badly that much of its anatomy remained hidden inside the stone. Peering through that rock…
…the final days of the Mesozoic, when an asteroid wiped out most of the dinosaurs, except for the relatives of modern birds. Lower jaw and two of the vertebrae linked…
…than a warming world allows. Helpful inherited traits can spread through their populations over generations, but the birds’ numbers can fall before those changes do enough to help. New research…
…birds and lizards on land. Wiens said warning color signals are much more widespread among animals than sexual signals, which are confined to arthropods and vertebrates. “Warning signals are at…
…findings, younger bees rolled more balls than older bees. These results mirrored the human behavior of young children and other juvenile mammals and birds being the most playful. Additionally, male…
…to snakes, iguanas, and young birds. Bearded capuchin monkeys hunt more small vertebrates when fruit is scarce, according to a long-term field study in Brazil. The behavior may offer clues…
…land area, they are home to more than 85% of the world’s species of amphibians, birds, and mammals, and many of these are found only in mountains. What determines global…
…shrimp and migratory birds, at risk. Starved for freshwater, the Great Salt Lake is getting saltier. The lake is losing sources of freshwater input to agriculture, urban growth, and drought….
…Ecological Society journal Functional Ecology. Small ectotherms (cold blooded animals such as invertebrates, reptiles, and amphibians), large endotherms (mammals and birds) and fungivores (animals that eat fungi) were also disproportionally…
…“A range of post-hurricane ecological consequences have been recorded in tropical forests: the destruction of plants by these weather extremes affects the animals, birds, and insects that rely on them…
…remains of the birds themselves. Paleontologists from China University of Geosciences (Beijing) found that their chemical composition can also record environmental changes spanning millions of years. Using non-destructive X-ray mapping,…
…a prehistoric swamp perished 45 million years ago while mating. Over 50,000 prehistoric animals perished in the watery death trap in the Geiseltal region of central Germany, including birds, horses,…
…kills embryos.” Why Fish and Birds Don’t Face the Same Problem “Fish and amphibians don’t have this problem,” Hurst commented. “In over 2000 fish embryos not one was found with…
…animals such as birds, while switching would involve moving from one subcategory to another, from birds to amphibians or mammals. The task developed by the group of scientists contained, for…