Muskrat. 2025. Wisconsin. Photo by me.
Muskrats are often mistaken as just small beavers, but are actually more closely related to voles and mice. #mammalfacts
#muskrat #wildlifephotography #animals #nature
#starnosedmole #weirdanimals #animalfacts #naturewonders #animaladaptations #wildlifebiology #underwateranimals #mammalfacts #naturelovers #animalbehavior
A graphic with a cartoon opossum with 3 babies on her back. Text: OPOSSUMS HAVE 13 NIPPLES ARRANGED IN A CIRCLE. (Seriously, google it.) #LactFacts
Follow me for more boob-related facts you didn’t realize you wanted
#LactFacts #WomenInSTEM #MammalFacts 🧪
🐋🦇 From blue whales to bumblebee bats, mammals showcase incredible diversity! Explore extreme adaptations in size, environment, lifespan, speed, and altitude. Which fact surprises you most? #BlackMammalogists #WildlifeDiversity #MammalFacts
If you miss the heyday of science twitter, @blackmammalogists.bsky.social is bringing it back this week. Fun #mammalfacts, cool research, panels with amazing scientists, filmmakers and artists, T shirts, prize giveaways, all the juice we love and miss is here this week.
The Eurasian otter (Lutra lutra) has the widest range of any otter species and can be found from the west coast of Ireland all the way across to east Asia and from North Africa to Northern Russia.
#MammalMonday #MustelidMonday #MammalFacts
Roe deer are vulnerable at birth and will remain hidden in dense vegetation, where their spotted coats help them camouflage, while mum leaves them to go and forage, only returning to suckle a few hours a day.
#MammalFacts #MammalMonday
Grey squirrels are not native to the UK but were introduced from the USA as an exotic, ornamental species for wealthy estates, starting in the late 1800s. They quickly settled into their new home and are now common across the UK
#MammalMonday #MammalFacts #InvasiveSpecies
Red foxes have a flexible, omnivorous diet which can contain fruits & berries, worms & beetles, small mammals, birds, eggs, frogs and even crabs for those living on the coast. Food thrown out by people is also readily eaten by urban foxes... YUM?! 🦊
#MammalMonday #MammalFacts
Despite being a small species, no more than 30cm in length, and often smaller, hedgehogs can travel long distances, even up to 2 miles, each night in search of beetles, worms and slugs (their preferred prey).
#MammalMonday #MammalFacts
Stoats are small but fierce predators. Females can weigh as little as 140g (although males can weigh over 400g) and can take down prey over 5x their weight, such as rabbit (weighing 1-2kg)
#MammalMonday #MammalFacts
During the summer roe deer bucks (males) become very territorial and will scent mark more regularly, rubbing their head and antlers on trees to mark their territory and communicate their status to local does (females) #MammalMonday #MammalFacts
Pocket gophers have fur lined external cheek pouches for stashing food.
#mammalfacts
Pics from tallpinesranch.blogspot.com/2010/04/why-they-are-cal...
Excretions from the castor sacs of the true beaver are used in perfumes and in some food. #mammalfacts
https://en.wikipedia.org/wiki/Castoreum
Mountain beavers have very primitive kidneys and can't produce concentrated urine. Are restricted to wet areas
#mammalfacts
Mountain beavers do not have a true scrotum
https://en.wikipedia.org/wiki/Mountain_beaver
#mammalfacts
Mountain beavers are one of two N American mammals where they are the only species in their family. What is the other one?
#mammalfacts
Mountain beavers are neither beavers or restricted to the mountains
#mammalfacts
And now on to fun #mammalfacts about mountain beavers. @TrevorABranch 's fav.
http://wdfw.wa.gov/living/mtn_beavers.html
More #mammalfacts about the mountain beaver. They cannot produce concentrated urine and the male doesn't have a true scrotum.
#mammalfacts from mammalogy lecture today. N AM. only has 2 endemic mammal families. Each only contains 1 species
The Northern Short tailed Shrew is only venomous mammal in North America
#mammalfacts
To deal with the female's bifrucated reproductive system, male opossums have a forked penis
#mammalfacts
Didelphis means two wombs, and like all marsupials, opossums have two uteri and two vaginas.
#mammalfacts
Once attached, the nipple swells in the mouth of the opossum, attaching the young to their mother for 2 months
#mammalfacts
However the opossum is born with relatively strong forelimbs and claws that they use to army crawl up to the pouch
#mammalfacts
20 newly born opossums can fit in a tea spoon.
#mammalfacts
https://www.pinterest.com/pin/243898136039709334/
Without a placenta to do gas and waste exchange and provide nutrients, the embryo has to get out of the uterus early
#mammalfacts
