"Partial migration"—where some individuals within a population migrate and some don't—is common among birds and is speculated to be a step on the evolutionary path to complete, long-distance migration, but scientists ...
Plants & Animals
Aug 8, 2018
0
4
A study from The Auk: Ornithological Advances presents citizen science data which supports that American Crows and Northwestern Crows almost exclusively (97% of the time) instigate any aggressive interactions with Common ...
Ecology
Jul 4, 2018
0
169
New Caledonian crows use mental pictures to twist twigs into hooks and make other tools, according to a provocative study that suggests the notoriously clever birds pass on successful designs to future generations, a hallmark ...
Plants & Animals
Jun 28, 2018
0
1238
Biologists at the Universities of St Andrews and Edinburgh have discovered why some crows 'craft' elaborate hooked tools out of branched twigs.
Plants & Animals
Jan 22, 2018
0
92
Biologists at the University of St Andrews have discovered how New Caledonian crows make one of their most sophisticated tool designs - sticks with a neatly-shaped hooked tip.
Plants & Animals
Dec 7, 2017
0
256
What are crows saying when their loud cawing fills a dark winter's evening? Despite the inescapable ruckus, nobody knows for sure. Birds congregate daily before and after sleep, and they make some noise, but what might be ...
Plants & Animals
Dec 5, 2017
1
633
(Phys.org)—An international team of researchers has found via experimentation that New Caledonian crows and kea parrots learn about the usefulness of objects by playing with them—similar to human baby behavior. In their ...
In the early 2000s the New Caledonian crow Betty in Oxford shocked the world when she spontaneously bent a hook into a straight piece of wire while trying to retrieve a small out-off-reach basket with a handle from a vertical ...
Plants & Animals
Sep 5, 2017
1
1297
Google's effort to acquire a broad swath of downtown San Jose properties for a massive new tech campus is triggering a sharp jump in selling prices for commercial real estate in the area.
Business
Sep 1, 2017
0
1
An international team of scientists and conservation experts has discovered that the critically-endangered Hawaiian crow, or 'Alalā, is a highly proficient tool user, according to a paper published today in the leading scientific ...
Plants & Animals
Sep 14, 2016
0
437
