Human-dominated landscapes are one of the most rapidly expanding and least-understood ecosystems on Earth. Historically, in urban areas, landowners convert native plant communities into habitats dominated by non-native species. ...
Plants & Animals
Oct 23, 2018
0
1019
It may not kill them outright, but low-level PCB (polychlorinated biphenyls) contamination disrupts how some birds sing their songs, report Cornell researchers.
Plants & Animals
Sep 19, 2013
1
0
Biologist Colleen Handel saw her first black-capped chickadee with the heartrending disorder in 1998.
Plants & Animals
Oct 25, 2016
0
350
Fear can be measured in the brain and fearful life-threatening events can leave quantifiable long-lasting traces in the neural circuitry of the brain with enduring effects on behaviour, as shown most clearly in post-traumatic ...
Plants & Animals
Aug 7, 2019
1
411
A short tweet from a chickadee can tell other birds their sex, species and geographic location, according to new research.
Plants & Animals
Apr 28, 2010
3
0
Pollution can take many forms—including noise. Excess noise in the environment from sources such as traffic can have negative effects on animals that rely on sound to communicate and get information about their surroundings. ...
Ecology
Dec 28, 2016
0
20
For a long time, hybridization—when distinct species mate and produce offspring—was thought to be a mistake. Yet, advancements in genomic testing tools have revealed naturally occurring hybridization as a fairly common ...
Evolution
Mar 26, 2018
0
98
(AP) -- Scientists have observed the highest rate of beak abnormalities ever recorded in wild bird populations in Alaska and the Northwest, a study by two federal scientists said.
Ecology
Nov 9, 2010
0
0
Mountain chickadees (Poecile gambeli), a North American bird in the tit family, store away food for later occasions. These birds are found at different elevations where varying winter conditions are experienced. Previous ...
Plants & Animals
Feb 25, 2015
0
15
(PhysOrg.com) -- The old proverb, "Birds of a feather flock together," might be in need of a rewrite, according to University of Alberta findings about chickadees. Researchers have divided chickadees into two personality ...
Plants & Animals
Sep 28, 2010
0
0
