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
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
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
The zone of overlap between two popular, closely related backyard birds is moving northward at a rate that matches warming winter temperatures, according to a study by researchers from the Cornell Lab of Ornithology, Villanova ...
Ecology
Mar 6, 2014
3
0
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
(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
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
Chickadees can smell! That is the news from a study out of Lehigh University, the first to document naturally hybridizing songbirds' preference for the scent of their own species.
Evolution
Aug 12, 2019
0
11
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
1018
In 2016, TSU scientists studied almost 3000 birds of 67 species in the Tomsk region. At the same time, 300 big titmice (chickadees) in the university grove received individual colored labels. The intensive bird banding allowed ...
Plants & Animals
Mar 6, 2017
0
7
