The latest weapon in Chicago's war against rats is plant-based, naturally flavored and nutritious.
Plants & Animals
Sep 2, 2025
0
4
An introduced black rat scratches through leaf litter, looking for food. Nearby, a native water rat watches on, its beady eyes shining. The native rat pounces out from the shadows, sending the invader fleeing.
Ecology
Jul 28, 2025
0
0
High school students learn that Pavlov's dogs were conditioned to associate the sound of a bell with getting food. The association was so strong that the dogs would begin to salivate when they heard the bell, before there ...
Plants & Animals
Jul 15, 2025
0
103
From the bright lights of cities that don't sleep—where people hustle and bustle through the night to keep subways, servers, and supply chains alive—to the whisper-dark understory of tropical forests where ants hum in ...
Ecology
Jun 16, 2025
0
27
A team of wildlife management specialists, environmental toxicologists and geneticists at the Conservation and Biodiversity Research Center, Edith Cowan University, in Australia, has found that some black rats living in Australian ...
A study to look at why long-lived bats do not get cancer has broken new ground about the biological defenses that resist the disease.
Plants & Animals
Jun 9, 2025
0
172
As urban development continues to creep further into Earth's oldest and most diverse rainforests, a Swansea University-led study reveals native and invasive small mammals aren't just adapting to their changing habitats—they ...
Ecology
May 1, 2025
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0
The Prague Zoo has joined an international effort to ensure the survival of a rare insect that had been considered extinct for more than 80 years.
Plants & Animals
Apr 8, 2025
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0
A longstanding scientific belief about a link between cancer prevalence and animal body size has been tested for the first time in our new study ranging across hundreds of animal species.
Plants & Animals
Mar 9, 2025
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1
Rats successfully distinguished between two varieties of white wine, Riesling and Sauvignon Blanc, in a study led by researchers from the University of Trento, the University of Lincoln, the University of London, and the ...
50 species
Stenomys Thomas, 1910
Rats are various medium-sized, long-tailed rodents of the superfamily Muroidea. "True rats" are members of the genus Rattus, the most important of which to humans are the black rat, Rattus rattus, and the brown rat, Rattus norvegicus. Many members of other rodent genera and families are also called rats and share many characteristics with true rats.
Rats are typically distinguished from mice by their size; rats are generally large muroid rodents, while mice are generally small muroid rodents. The muroid family is very large and complex, and the common terms rat and mouse are not taxonomically specific. Generally, when someone discovers a large muroid, its common name includes the term rat, while if it is small, the name includes the term mouse - scientifically, the terms are not confined to members of the Rattus and Mus genera. Compare the taxonomic classification of the Pack rat and Cotton mouse.
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