Backyard bird feeders may ruffle some feathers, attracting aggressive breeds like house sparrows and doves while discouraging native species that eat insects and nectar, researchers said Monday.
Plants & Animals
May 4, 2015
7
864
Reproduction at old age involves risks that may impact one's own life and may impose reduced biological fitness on the offspring. Such evidence, previously obtained in humans and other taxa under laboratory conditions, has ...
Evolution
Mar 9, 2015
0
14
For the past five years there has been a growing movement to recognise March 20 as World Sparrow Day – a day to celebrate the house sparrow (Passer domesticus) with art, poems, stories and events like office parties and ...
Plants & Animals
Mar 20, 2015
0
270
It's been known for decades that animals such as chimpanzees seek out medicinal herbs to treat their diseases. But in recent years, the list of animal pharmacists has grown much longer, and it now appears that the practice ...
Plants & Animals
Apr 11, 2013
0
0
(PhysOrg.com) -- In many bird species males have a more elaborate plumage than females. This elaborate plumage is often used to signal body condition, to intimidate rivals or to attract potential mates. In many cases plumage ...
Plants & Animals
Oct 21, 2011
0
0
Bird dispersal movements are thought to depend on complex demographic and genetic factors. Dr. Santiago Claramunt, Associate Curator of Birds at the Royal Ontario Museum (ROM) and Assistant Professor in the Department of ...
Plants & Animals
Sep 2, 2021
0
311
A study looking at how DNA changes with body size may help scientists to explain why taller individuals tend to have shorter lives.
Plants & Animals
Dec 2, 2015
1
22
A new study of house sparrows' genes has found the first evidence of animals adapting to lead contamination in heavily polluted areas of Australia.
Plants & Animals
Sep 21, 2018
0
70
The size of a male house sparrow's bib has long been associated with the bird's fighting abilities and status within the flock. But an international team of researchers has shown there is little evidence to support it.
Evolution
Nov 13, 2018
0
21
Why does the egg size of house sparrows vary so much? Isn't it always an advantage to be big?
Ecology
Aug 9, 2018
0
7
