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New research reveals that hummingbirds and bumble bees are being exposed to neonicotinoid and other pesticides through routes that are widespread and complex. The findings are published in Environmental Toxicology & Chemistry.
To measure exposure to pesticides in these avian pollinators, investigators made novel use of cloacal fluid and fecal pellets from hummingbirds living near blueberry...
Many animals live in a world characterised by a bewildering array of signals from other species. But to what extent are individuals able to extract useful information from these signals?
In a new study, scientists from the University of Liverpool and the University of York, led by Dr Jakob Bro-Jørgensen, have for the first time tested...
Salmon in the northwestern continental US often carry a fluke containing bacteria that can produce a deadly disease in bears called salmon poisoning disease (SPD). Current recovery plans for grizzly bears in the North Cascades of Washington and the mountains of central Idaho, where infected salmon currently occur, call for using bears from several interior...
Each night, dramatic aerial battles are waged above our heads, complete with barrel rolls, razor-sharp turns, sonar jamming, cloaking devices and life-or-death consequences.
But the opponents aren't tricked-out fighter jets. They're bats and moths, adversaries locked in a 60-million-year-old duel marked by stealth and deception.
Previous work by University of Florida and Boise State University researchers showed...
The Auk: Ornithological Advances presents a study on a Northern Spotted Owl pedigree, consisting of almost 14,200 individuals over 30 years, which determined inbreeding varies across the species' range. Selection against inbreeding based on decreased future reproduction, fewer offspring, and overall survival of individuals was also supported. These results indicate that Spotted Owl conservation efforts...
For more than a century, scientists have understood that natural selection have profound effects on how an animal looks -- Anolis lizards that spend more time on the ground, for example, might need longer legs for running, while species that remain in the trees usually have shorter legs better suited for climbing.
But can different behaviors...