Dolphins sometimes play with Orcas, even though some Orcas eat Dolphins. Researchers believe this is because Orcas that eat red meat tend to avoid Orcas that only eat fish, so if they stay near the fish-eaters, they won't encounter the mammal-eaters. cbc.ca/news/technology/pa…
Honeybees can recognize human faces. Whereas before it was thought that only large brained mammals could distinguish faces, but honeybees can do this as well! They see faces in a compilation of 5,000 individual images – kind of like pixels. scientificamerican.com/ar…
That fully aquatic mammals, never fully go to sleep. instead it shuts down only half of its brain at a time, along with the opposite eye. The other half of the brain stays awake at a low level of alertness. So that they may continue to swim to surface to breath animals.howstuffworks.com…
The shaggy coat of sloths are host to symbiotic green algae which camouflages the sloth in trees and provides it nutrients. The green color of the algae makes sloths the only green mammal. en.wikipedia.org/wiki/Slo…
All mammals, except monotremes (duck-billed platypus and echidnas) and humans, have whiskers. discoverwildlife.com/anim…
Plants make up 82% of the total biomass of Earth. Of all the mammals on Earth, 96% are livestock and humans, only 4% are wild mammals. Of all the birds on Earth, 70% are chicken and poultry, 30% are wild birds. The total biomass of the human race accounts for just 0.01% of all life on Earth. theguardian.com/environme…
Today I learned about the extinct Antarctic wolf, which was the only land mammal native to the Falkland Islands and was so tame that "it was possible to lure the animal with a chunk of meat held in one hand, and kill it with a knife held in the other" en.wikipedia.org/wiki/Fal…
48 million years ago whales were six foot long land mammals ocean.si.edu/through-time…
Today I learned of Wadi Al-Hitan (Whale Valley)- Located in the Western Desert in Egypt, this site contains the fossilized remains of whales that show their evolution from life as a land-based animal to becoming an ocean-going mammal. whc.unesco.org/en/list/11…
Hippos cannot actually swim. They have very little body fat and are made up of almost pure muscle. Unlike other mammals that usually float, hippos sink straight to the bottom. They are either running on the floor of the body of water, or they are pushing off and bouncing. youtu.be/X-YRJCSZRJU
While the average nonhuman mammal is becoming smaller over time, the blue whale is actually getting even bigger! abc.net.au/science/articl…
While the platypus lays its eggs in a burrow to incubate them, the Echidna (the only other egg laying mammal) keeps its eggs in a rudimentary pouch on its underside and carries them around wildcare.org.au/species-i…
Etruscan Shrew is the smallest living terrestrial mammal, 3.5cm & 2g. They have a higher metabolic rate than any other animal; must eat 80% of their own body weight daily; and some species are venomous. Heart beats 800 times a minute, considerably faster than that of the hummingbird. onekindplanet.org/animal/…
Today I learned of an extinct prehistoric elephant species called Palaeoloxodon namadicus. Weighing up to 24 tons, it is the largest land mammal to have ever existed and is even heavier than any non-sauropod dinosaurs. nationalgeographic.com/sc…
There is a theory that claims all placental animals (most mammals) share a common ancestor called Protungulatum donnae, a rat-like creature that was reconstructed by a team of 22 scientists in 2013 sciencemag.org/news/2013/…
Dogs are the most diverse land mammal and the largest dogs are 40 times the size of the smallest inquirer.com/philly/blogs…
Sushi Parasites have increased by 238 times since 1970s according to the University of Washington. Scientists said this is likely due to humans recovering the seal, sea lion, and whale populations under Marine Mammal Protection Act which allows the parasites to fester. washington.edu/news/2020/…
For decades, anatomists and zoologists were confounded by the origin of whales. Then, at the end of the 20th century, a wealth of fossil finds provided a detailed outline of how hoofed land mammals became the sea’s largest swimmers. smithsonianmag.com/scienc…
Compared to mammals, herbivorous dinosaurs had a large amount of endemism and were often restricted to small areas instead of entire continents. For example, Corythosaurus and Centrosaurus were exclusively Albertan, and Alamosaurus was only found in the southern United States. en.wikipedia.org/wiki/Din…
Some mammals literally have a bone in their penis. The Baculum, while absent in humans, is present in the penises of other primates, such as the gorilla and chimpanzee. cell.com/current-biology/…
Male echidnas have a four-headed penis and female echidnas are the only mammals besides platypuses that lay eggs. differencebetween.com/dif…
A retired American heart and lung surgeon has patented a scuba suit that would allow a human to breathe β€œliquid air”, like in the movie The Abyss. He has simulated 1000 foot dives with mammals and has decompressed them in less than half a second with no decompression sickness. independent.co.uk/news/sc…
The only known mammals with not 7 cervical vertebrae are the manatee with 6, the two toed sloth with 5-6 and the three toed sloth with 9 cervical vertebrae. en.wikipedia.org/wiki/Cer…
In 1961, a handful of the world's top scientists gathered at the Green Bank Observatory in West Virginia, to give Dolphins LSD. They noted as soon as the dolphin on LSD had contact with another intelligent mammal, it wouldn't shut up. independent.co.uk/news/sc…
Paraceratherium is the largest rhinoceros and land mammal to ever live, it is also at the largest size possible for land mammals. en.wikipedia.org/wiki/Par…
Bears are considered by many wildlife biologists to be one of the most intelligent land animals of North America. They possess the largest and most convoluted brains relative to their size of any land mammal. In the animal kingdom, their intelligence compares with that of higher primates. pbs.org/wnet/nature/arcti…
The penis of kangaroos (and other marsupials) is located below and behind their scrotum, which is the opposite way around of humans and most of the other placental mammals. otagomuseum.nz/blog/roo-b…
Killer whales are such apex predators they hunt and kill terrestrial mammals such as moose and deer, When swimming between islands in North America earthtouchnews.com/oceans…
Almost all mammals except for primates are red-green colourblind. This is because all living mammals descend from a small shrew-like species that lived in burrows and mostly came out at night, which had partially lost its sense of vision due to its dark habitat en.wikipedia.org/wiki/Evo…
In 1859, a guy released 24 rabbits for hunting into the wild in Australia, a country which had no native rabbit population then. By 1920, their population increased to 10 billion. This is the fastest spread ever recorded of any mammal. en.wikipedia.org/wiki/Rab…
With 1,000 different species around the world, bats make up nearly one-quarter of all mammal species. ucmp.berkeley.edu/mammal/…
A couple in Brazil planted 2 million trees over 20 years in order to bring back a rainforest that was destroyed due to deforestation. Now the area has status as a Private Natural Heritage Reserve and is home to 172 types of birds, 33 varieties of mammals, and 15 kinds of reptiles and amphibians. boredpanda.com/brazilian-…
There is only one mammal species known to have an asymmetric dental formula: the SΓ£o TomΓ© Island fruit bat has three lower incisors instead of the usual four. The β€œmissing” incisor can be on either the left or right side. researchgate.net/profile/…
Porcupines are the only North American mammal with antibiotics naturally on their skin en.wikipedia.org/wiki/Nor…
Deepest dive any mammal has done was recorded in 2014 when a Cuvier beaked whale dove 2,992 meters below the surface off the California coast nhm.ac.uk/discover/secret…
Time Magazine, in lieu of their Man of the Year Award, had decided to name Dumbo as their mammal of the year for 1941. When Pearl Harbor happened, they quickly changed their plans to make FDR Man of the Year instead waltdisney.org/blog/timel…
The bigger your brain, the longer your yawn. The average duration of yawns from mammals like humans, African elephants, walruses, mice, rabbits, and capuchin monkeys, predict the mammal's brain weight and its number of cortical neurons. scientificamerican.com/ar…
People can develop a severe allergy to red (mammal) meat after being bitten by the "Lone Star" Tick, which is endemic to the southeastern US. The tick bite transfers a sugar molecule called "Alpha-gal" into the person, which triggers the allergy. mayoclinic.org/diseases-c…
Arctic ground squirrels' body temperatures drop as low as -2.9C, the lowest measured in any mammal, and their major organs slow while others shut down entirely. They awaken in the midwinter to heat up to make sure they don’t get any colder. bbc.co.uk/earth/story/201…
The last 'Wild Cow' died in Poland in 1627. They were also known as Aurochs or Supercows. The earliest cows were mighty beasts that stood as tall as elephants. For thousands of years they were the largest land mammals in Europe. edition.cnn.com/2017/01/0…
Free-ranging domestic cats are the top human-caused threat to wildlife in the United States, killing an estimated 1.3 to 3.7 billion birds and 6.3 to 22.3 billion mammals annually, according to a 2013 study en.wikipedia.org/wiki/Cat…
Macaques and by extension many other monkeys and mammals have the anatomical capacity to speak but not the brain capacity and neural control to do so. This contradicts the often claimed statement that animals can’t make speech due to their specific anatomy. sciencemag.org/news/2016/…
Today I learned about crop milk, a substance that some birds feed their babies after hatching. Like mammal milk, it has antioxidants and immune boosters that help the baby birds survive. Unlike mammals it is produced by both males and females (in the crop instead of mammary glands). audubon.org/news/pigeon-m…
From elephants to mice, all mammals take approximately 21 seconds to urinate pnas.org/content/111/33/1…
Mammals are older than flowers bbc.com/earth/story/20141…
Most mammals lose their baby teeth once like humans (diphyodonts). The exceptions are manatees, elephants and kangaroos who can lose teeth many times over (polyphyodonts) wikipedia.org/wiki/Diphyo…
Today I learned of Red Panda, a mammal that lives in the Himalayas & SouthWestern China. The red panda is the only living member of the genus Ailurus and family Ailuridae. Thy are listed as endangered with population less than 10K. en.wikipedia.org/wiki/Red…
Today I learned that bats make up 1/5 of all mammal species en.wikipedia.org/wiki/Bat
Today I learned of the California Fur Rush, which occurred in the early to mid 19th century. It happened due to large beaver and otter populations and helped open up the West and especially the San Francisco area to world trade. However, this drove many mammal populations to the brink of extinction. en.wikipedia.org/wiki/Cal…
Crash Bandicoot was an actual species of mammals 15 million years ago en.wikipedia.org/wiki/Cra…

Please note that this site uses cookies to personalise content and adverts, to provide social media features, and to analyse web traffic. Click here for more information.