Numerosity Around the Animal Kingdom
Numerosity Around the Animal Kingdom
Research in recent decades has explored how animals other than humans perceive different numbers of objects
Numerosity Around the Animal Kingdom
Numerosity Around the Animal Kingdom

Research in recent decades has explored how animals other than humans perceive different numbers of objects

Research in recent decades has explored how animals other than humans perceive different numbers of objects

mammals
Environmental DNA Can Be Pulled from the Air
Environmental DNA Can Be Pulled from the Air
Amanda Heidt | Apr 7, 2021
A proof-of-concept study uses eDNA in the air to detect mammals, expanding the technique beyond aquatic sampling.
US Pesticide Use Is Down, but Damage to Pollinators Is Rising
US Pesticide Use Is Down, but Damage to Pollinators Is Rising
Amanda Heidt | Apr 5, 2021
The use of pesticides has decreased in the US by more than 40 percent since 1992, but the emergence of more-potent chemicals means that they are far more damaging to many species.
Many Deep-Sea Microbes Invisible to Mammalian Immune System
Many Deep-Sea Microbes Invisible to Mammalian Immune System
Abby Olena | Mar 12, 2021
In a new study, human and mouse cells recognized only one in five bacterial species collected from more than a mile below the Pacific Ocean’s surface.
Shrew Brains Shrink During Winter
Shrew Brains Shrink During Winter
Abby Olena | Dec 3, 2020
The animals kill off around one-quarter of the neurons in their somatosensory cortex, perhaps to save energy, and the cells appear to return the following summer.
Bat Ecologist Thomas Kunz Dies
Bat Ecologist Thomas Kunz Dies
Claire Jarvis | Jun 5, 2020
The Boston University professor, who died of complications related to COVID-19, spent more than 40 years researching the lives of bats.
Image of the Day: Olfactory Capacities
Image of the Day: Olfactory Capacities
Amy Schleunes | Apr 15, 2020
Most small amphibious mammals have a diminished sense of smell, a quality that likely arose because of a tradeoff with thermoregulation capacities that allowed them to conserve heat in aquatic environments.
Image of the Day: Hair Strength
Image of the Day: Hair Strength
Emily Makowski | Dec 18, 2019
Thin strands tend to be stronger than thick ones.
New Mammal Fossil May Show How Ear Bones Evolved from Jaw Bones
New Mammal Fossil May Show How Ear Bones Evolved from Jaw Bones
Emily Makowski | Dec 6, 2019
An ancient animal’s hammer, anvil, and stirrup bones are at the base of the jaw but completely detached from it.
Image of the Day: Chevrotain Caught on Camera
Image of the Day: Chevrotain Caught on Camera
Emily Makowski | Nov 12, 2019
The silver-backed chevrotain was undetected for decades, but local reports have led researchers to document the species on camera.
Trove of Fossils Shows Mammal Evolution after Dino Extinction
Trove of Fossils Shows Mammal Evolution after Dino Extinction
Emily Makowski | Oct 25, 2019
The site, Corral Bluffs in Colorado, also reveals how plants evolved and how ecosystems rebounded after the asteroid impact.
Image of the Day: Pika Populations
Image of the Day: Pika Populations
Emily Makowski | Sep 24, 2019
Geography plays a role in how the small mammals adapt to environmental changes.
EPA Aims to Drastically Reduce Animal Testing
EPA Aims to Drastically Reduce Animal Testing
Emily Makowski | Sep 11, 2019
The agency plans to stop funding virtually all toxicology studies in mammals by 2035.
Oldest Known Parasites Found in Ancient Puma Feces
Oldest Known Parasites Found in Ancient Puma Feces
Chia-Yi Hou | Aug 28, 2019
Researchers isolate roundworm DNA from animal excrement that is about 17,000 years old.
First Successful Gene Drive in Mammals
First Successful Gene Drive in Mammals
Abby Olena | Jan 23, 2019
Researchers use a CRISPR-Cas9 strategy to expand a desired trait from 50 percent of mouse pups to about 72 percent.
Image of the Day: Baby Boom
Image of the Day: Baby Boom
Sukanya Charuchandra | Aug 31, 2018
Researchers describe the remains of a clutch of extinct mammal-like animals.
CRISPR Gene Drive Used to Alter Mouse Coat Color
CRISPR Gene Drive Used to Alter Mouse Coat Color
Shawna Williams | Jul 9, 2018
It’s the first demonstration of the technology in mammals.
Pancreatic Cell Size Negatively Relates to Lifespan in Mammals
Pancreatic Cell Size Negatively Relates to Lifespan in Mammals
Sukanya Charuchandra | Jun 19, 2018
Species with larger pancreatic cells tend to have shorter lives, according to a study.  
Humans are Making Mammals Return to the Night Life
Humans are Making Mammals Return to the Night Life
Ashley Yeager | Jun 14, 2018
While shifts in behavior could help wildlife and people coexist, they might also affect the animals’ survival.
Many Species of British Mammals at Risk of Extinction
Many Species of British Mammals at Risk of Extinction
Sukanya Charuchandra | Jun 13, 2018
Numbers of the wildcat, greater mouse-eared bat, and black rat have critically fallen in the U.K.