To help exemplify the overall phenomenon of flying foxes shrinking, two specimens from the Field Museum's collections. The smaller specimen on the left is from 1995; the larger specimen on the right is from 1948. (Field Museum via SWNS) The world’s biggest…
__ARNOLD AIR FORCE BASE, Tenn. __– A small visitor with an outsized reputation has made its presence known at Arnold Air Force Base, headquarters of Arnold Engineering Development Complex. Arnold AFB researchers have documented two new bat species on the installation for…
The world’s biggest bats are shrinking, reveals new research. Flying fox fruit bats are getting smaller — and it may be down to human hunters, according to the study. Comparisons of the bats with five-foot-wingspans collected over time in Madagascar suggest…
Madagascan flying foxes, easy targets for hunters, have shrunk since the 1980s Malagasy flying foxes (Pteropus rufus) (shown) have skulls that are 6 percent smaller than they were prior to the 1980s. Large-scale hunting by humans may be the reason. These big bats…
Published Oct 29, 2026 10:00 AM EDT It’s the stuff of nightmares. A bat the size of a large-breed puppy with five-foot-wide wingspans darting across the sky. But don’t worry. The giant flying foxes want fruit, not your blood. However, biologists do have…
A new open-source four-channel ultrasonic recorder captures synchronised bat calls at 192 kHz for about 200 euros, matching a professional audio interface in field signal-to-noise tests. News Source: Drew Townsend. (October 29, 2026). Open-Source 200-Euro Recorder Brings Multichannel Bat Ultrasound to the Field. Scienmag.
Tonsils were collected from 200 fattening pigs at slaughter from ten abattoirs across Sweden in 2017, with one pig per herd sampled. Wild boars, numbering 180, were sampled during hunting in 2018, primarily in Östergötland County. Cultures were performed using selective media, and isolates…
They fly at night, communicate using sounds humans can't hear and are often associated with the spooky season. But bats are also some of California's most valuable and fascinating animals. "The more we learn about them, the more we're surprised…
Just in time for Halloween, the Bureau of Land Management is holding a Bat Beauty Contest during their annual Bat Week. Throughout the week, eight bats are vying to be crowned the winner, and the BLM is asking for your…
A study of more than 40,000 people and 86 chimpanzees reveals a surprising connection between social status and willingness to take risks. What does a company boss have in common with a chimpanzee at the top of its group? According to a…
Mammal biology from the field and the lab: primates, elephants, bats, big cats, wolves, rodents and other mammals studied by scientists.
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