When trouble lurks, juvenile aphids drop off of the plants they're eating and hitch a ride on bigger aphid escapees.
Researchers taught two dozen wild sparrows new songs, by playing them the recordings of sparrows that live thousands of miles away. Jason G. Goldman reports.
Twice a year, thousands of pronghorn antelope and mule deer migrate through Wyoming, and newly built highway crossings are sparing the lives of animals—and motorists. Jason G. Goldman reports.
Tropical African birds have greater immunity to certain pathogens than northern or migratory ones
When Hurricane Irma blew through the Turks and Caicos, lizards with shorter hindlimbs lucked out. Jason G. Goldman reports.
The insects fashion and use "baffles"—sound controllers—made of leaves to produce sound more efficiently. Jason G. Goldman reports.
Building houses at the edge of the wilderness increases the danger of catastrophic blazes
About 5 percent of crows will attempt to copulate with other crows that have joined the choir invisible.
A study of human–mammal interaction across the globe found animals are more prone to take to the night around humans. Jason G. Goldman reports.
Most invertebrates get smaller on average in cities, although a few very mobile species respond to urbanization by growing.
Hippo poop is piling up in Tanzania’s freshwater fisheries—which is bad news for biodiversity, and deleterious for the dinner plate. Jason G. Goldman reports.
Sea lions and fur seals in Uruguay have become a tourist attraction—but the animals have become less, not more, accepting of humans. Jason G. Goldman reports.
Hunting regulations in Sweden prohibit killing brown bear mothers in company of cubs—causing mama bears to care for their young longer. Jason G. Goldman reports.
In a study of children interacting with toy animals Native American kids and non-Native kids imagined the animals very differently.
Lawns mowed every two weeks hosted more bees than lawns mowed every three weeks. Jason G. Goldman reports.
Humans may be driving large mammals to extinction
Non-native milkweed species planted in the southern U.S. could harm monarch butterflies as temperatures rise. Jason G. Goldman reports.
Rather than always making the same call in response to the same stimuli, North Atlantic right whales are capable of changing their vocalizations.
Native American kids and non-Native kids conceptualize wild animals differently
Ravens produce different types of calls depending on their age and sex—which might help ravens size up other individuals. Jason G. Goldman reports.