Whether it's plankton exposed to parasites or people exposed to pathogens, a host's initial immune response plays an integral role in determining whether infection occurs and to what degree it spreads within a population, ...
Ecology
May 17, 2021
0
167
Some beetles go to great—and disgusting—lengths for their children.
Plants & Animals
Jan 17, 2021
0
344
Back in 2012, Ryan Terrill was hiking down a dry canyon in central Bolivia, looking for Giant Antshrikes—the largest species of antbird—but he found himself, instead, thinking about another bird: the Titicaca Grebe.
Plants & Animals
Dec 14, 2020
0
10
Fall is here, and we see the leaves turning yellow, orange or red thanks to a trick of our vision: our brains categorize colors. Scientists have learned that birds with colorful markings do this too. But what about drab birds ...
Plants & Animals
Oct 28, 2020
0
85
In birds and other species alike, pairs can face considerable difficulties with reproduction. Scientists at the Max Planck Institute for Ornithology in Seewiesen have now shown in an extensive analysis of 23,000 zebra finch ...
Plants & Animals
Sep 30, 2020
0
100
Australian rodents skulls all correspond to one simple, size-dependent shape that is more than ten million years old but it turns out this lack of change is the secret behind their survivor reputation.
Plants & Animals
Sep 8, 2020
0
63
Evolutionary biologists have for a long time disagreed on the rate of evolution when new species emerge. Are new species the result of gradual changes—as Charles Darwin suggested—or is evolution speeding up for short ...
Evolution
Jun 3, 2020
8
1333
tree frogs become easy targets for predators and parasites when they send mating calls, but they're finding a way to fool their enemies with a little help from a wingman.
Plants & Animals
May 6, 2020
0
150
Some species of fish, notably parrotfish and wrasses living on coral reefs, change their biological sex as they age, beginning life as females and later becoming functionally male. New work from the University of California, ...
Plants & Animals
Mar 9, 2020
0
109
Species adapt to their local climates, but how often they adapt to their local communities remains a mystery. To find answers, researchers at McGill University and the University of British Columbia examined over 125 studies ...
Plants & Animals
Feb 25, 2020
0
13
