Declining caribou population victim of ecological chain reaction
Researchers examine landscape, food supply, predator-prey relationshipsCredit: Caribou Monitoring Unit A new study comparing decades of environmental monitoring records has ...
Tag: Population Biology
Christmas Island reptile-killer identified
Bacterium responsible for deaths of critically endangered speciesCredit: Parks Australia. Native reptile populations on Christmas Island have been in severe ...
Escape from mongoose: frog’s novel strategy
Invasive mongooses altered leg length and endurance of endangered island frogsCredit: Hirotaka Komine/ TUAT Biodiversity is increasingly ruined by humanity's ...
The trouble of being tall
Credit: Mogens Trolle The giraffe is a truly puzzling animal. With its exceptional anatomy and suite of evolutionary adaptations, the ...
Artificial light at night may disrupt firefly mating
Credit: Avalon Owens New research published in Insect Conservation and Diversity indicates that artificial light at night likely interferes with ...
Deforestation taking a heavy toll on international bird haven
Credit: Pablo Negret An analysis has found deforestation is severely affecting forest bird species in Colombia, home to the greatest ...
When ‘eradicated’ species bounce back with a vengeance
Lessons from a failed experiment mark new way forwardCredit: Edwin Grosholz, UC Davis Some invasive species targeted for total eradication ...
New probe set unravels evolutionary history of second-most diverse group of land plants
Credit: Photos by Emily Sessa. In 2016, a collaborative group of research and education specialists received funding from the National ...
Whooping cranes steer clear of wind turbines when selecting stopover sites
Proliferation of wind-energy infrastructure across the Great Plains has created obstacles along key migration routes; future developers could place infrastructure ...
Birds learn to avoid flashy, hard-to-catch butterflies and their lookalikes
Credit: Jeff Gage/Florida Museum of Natural History GAINESVILLE, Fla. --- The showy colors of some butterflies could advertise their speed ...
The narwhal’s tusk reveals its past living conditions
Credit: Photo: ©Paul Nicklen / paulnicklen.com Every year, a new growth layer is added to the narwhal's spiralled tusk. The ...
Bioaccumulation of phased-out fire retardants is slowly declining in bald eagles
Credit: Jim Campbell-Spickler Research published in Environmental Toxicology and Chemistry shows that the presence of polybrominated diphenyl ethers (PBDEs) in ...
Warming climate slows tropical birds’ population growth rates
30-year study in Tanzania shows temperature-linked population declines in species important to forestsCredit: Monte Neate-Clegg The mountain forests of Tanzania ...
Both old and young fish sustain fisheries
Credit: Phil Woodhead, Wet Image Underwater Photography. Scientists have used modern genetic techniques to prove age-old assumptions about what sizes ...