The circular structure dominating this Sentinel-2 image is Pilanesberg, the result of geological activity over more than a billion years. Once a massive volcanic complex towering over 7000 m tall, millions of years of erosion ...
Earth Sciences
Jul 14, 2017
0
18
Zebra finches brought up without their fathers don't react to the singing of potential suitors in the same way that female birds usually do, hinting that the environment in which the birds are raised can have a determining ...
Plants & Animals
Jul 10, 2017
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4
Male birds tend to be better singers than females—but does the basis for this difference lie in the brain or in the syrinx, the bird equivalent of our larynx? The researchers behind a new study from The Auk: Ornithological ...
Plants & Animals
Jun 14, 2017
0
92
The invasion of nonnative species has widespread and detrimental effects on both local and global ecosystems. These intruders often spread and multiply prolifically, overtake and displace native species, alter the intended ...
Ecology
May 25, 2017
0
5
Not only migratory birds use a built-in magnetic compass to navigate correctly. A new study from Lund University in Sweden shows that non-migratory birds also are able to use a built-in compass to orient themselves using ...
Plants & Animals
May 18, 2017
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12
Music can be a powerful form of expression. It's especially important for songbirds such as zebra finches, which learn the songs of their fathers in order to court mates.
Plants & Animals
Apr 4, 2017
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20
One of the most profound changes in the life of an organism is what Antonio Giraldez calls "embryonic puberty": the stage when an early embryo stops taking instructions from its mother on how to develop and activates its ...
Biotechnology
Dec 27, 2016
0
462
The distinct black and white stripes of zebras capture people's attention and imagination from an early age. But rarely are we told why zebras have those stripes to begin with.
Plants & Animals
Dec 13, 2016
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6
Like humans learning to speak, juvenile birds learn to sing by mimicking vocalizations of adults of the same species during development. Juvenile birds preferentially learn the song of their own species, even in noisy environments ...
Plants & Animals
Dec 8, 2016
0
29
A professor emeritus in biology from The University of Texas at Arlington who is an esteemed expert in freshwater and marine invertebrates is expanding his research into the spread of invasive zebra mussels into Texas lakes.
Ecology
Oct 7, 2016
0
9
