#2025 March 19 R1: Tuxedo Style_Part 1 of 2

TONIGHT everyone likes a sharp-dressed AN… imal in the Tuxedo Style Division of species in shades of grey from whitest snow to obsidian sable. #2025MMM

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:01:02.848Z

Learn more about the selective pressures that shape these color patterns and the genetics underlying them in the battles and afterwards check out the SPOTLIGHT on Genetics in each issue of the nightly #mmmagazine #2025MMM libguides.asu.edu/MarchMammalM…

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:01:44.242Z

Without further ado… #2025MMM youtu.be/MEvHzx-nal0?…

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:02:07.715Z

First Up: 1-seed Polar Bear (Ursus maritimus) vs. 16-seed Eurasian Water Shrew (Neomys fodiens) #2025MMM

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:03:08.587Z

Polar Bears have translucent, hollow hair that keeps them warm like a puffy jacket. Their hair appears white because it reflects visible light & provides camoflage against snow & sea ice. Their eyes, nose, lips, and skin are black. (DeMaster & Stirling 1981) #2025MMM

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:03:50.443Z

#2025MMM #DivisionTuxedoStyle #TeamPolarBear Art by Olivia Pellicer @opellisms.bsky.social #mammals #sciart

V Pellicer- art commissions open! (@veppart.bsky.social) 2025-03-20T00:04:05.002Z

Polar bears have a suite of adaptations so they can thrive in the Arctic! Their genomes show signatures of positive selection surrounding genes like APOB, TTN, and LYST which might play roles in their high-fat diet (lots of seals!) and white fur. #2025MMM doi.org/10.1016/j.cell.2014.03.054

Fernando Villanea (@fervillanea.bsky.social) 2025-03-20T00:04:37.342Z

The Eurasian water shrew has dark fur with a white underside & their teeth are RED-TIPPED from iron in the enamel #SoMetal, an adaptation that protects teeth from wear & tear during crushing & grinding (Fahey 1999). #2025MMM

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:05:29.459Z

#2025MMM #DivisionTuxedoStyle #TeamShrew Art by Mary C Freisner @maryfreisner.bsky.social #mammals #sciart

V Pellicer- art commissions open! (@veppart.bsky.social) 2025-03-20T00:06:01.467Z

"Could Southern Italy be home to a new Eurasian Water Shrew species?A genetic study found deep mtDNA divergence in Neomys fodiens, with Southern Italian populations splitting from others ~1 million years ago. #2025MMMonlinelibrary.wiley.com/doi/full/10….

Fernando Villanea (@fervillanea.bsky.social) 2025-03-20T00:06:04.838Z

TONIGHT, our #2025MMM Polar Bear hunts the ice habitat of the Beaufort Sea in the Arctic. 2024 was the hottest year on record, as burning of fossil fuels accelerates earth's atmosphere toward catastrophic global warming, & shrinks the sea ice Polar Bears rely on #2025MMM

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:07:30.092Z

MEANWHILE, in the United Kingdom, our #2025MMM Eurasian Water Shrew dashes from a creek toward his den, red-tipped teeth crushing through a freshwater snail. He squeezes through the small den entrance, pushing water from his coat & drying more quickly (Fahey 1999).

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:08:08.601Z

"Water shrews must eat every two to three hours and consume 50% of their body weight daily in order to sustain their high metabolic rate & avoid starvation" so the Shrew gets a break between hunts… (Champneys 2012) #2025MMM

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:08:22.986Z

Polar bear sits motionless next to a gap in the sea ice… when #MMMagic translocates Eurasian Water Shrew INTO THE WATER below the sea ice hole!!!! #2025MMM

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:08:55.548Z

Polar Bear does not move, does not even notice the tiny swimstrokes of the 15 gram Water Shrew. #2025MMM

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:09:39.781Z

The fur of the Water Shrew traps air, helping his boyuancy in freshwater, now in the salty sea water, shrew is even more bouyant, and the long hairs on his toes help Water Shrew swim toward the sea ice… but the water is so cold! (Fahey 1999) #2025MMM

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:09:57.100Z

BIG EYES APPEAR FROM THE DEPTHS, SWIMMING BELOW SHREW!!! #2025MMM

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:10:37.623Z

POLAR BEAR PLUNGES INTO THE WATER… IT'S A SEAL'S BREATHING HOLE!!! (Stirling et al. 1993; Pagano 2021) #2025MMM

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:11:34.129Z

Water Shrew is crushed between marine predator and marine prey! #2025MMM

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:11:53.304Z

In Water Shrew's final death throes, seawater flooding his mouth, Water Shrew slashes his tiny, red-tipped teeth… with VENOMOUS SALIVA… into Polar Bear! (Kowalski et al. 2017) #2025MMM

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:12:19.226Z

POLAR BEAR PLUNGES EURASIAN WATER SHREW!! #2025MMM

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:12:33.857Z

#2025MMM #DivisionTuxedoStyle #TeamPolarBear Art by Olivia Pellicer @opellisms.bsky.social #mammals #sciart

V Pellicer- art commissions open! (@veppart.bsky.social) 2025-03-20T00:12:48.110Z

Eurasian Water Shrews were found with unusually large skulls, raising suspicions of a new species! But DNA analysis suggested otherwise—these shrews aren’t genetically distinct. Instead, their extreme skull variation likely results from local adaptation. #2025MMM #RIP http://www.nature.com/articles/s41…

Fernando Villanea (@fervillanea.bsky.social) 2025-03-20T00:13:03.651Z

Next Up: 5-seed Malayan Tapir (Tapirus indicus) vs. 12-seed Southern Luzon Giant Cloud Rat (Phloeomys cumingi) #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:16:18.048Z

Malayan Tapir, largest of the living tapirs w/ females up to 540kg (~1190lbs) & 2.5m (8.2ft) from long snout to short tail. Tapir is black w/ a distinct white band extending from its stout midline to its hind quarters. Baby Tapirs are similarly distinct and look like black&white watermelon. #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:17:12.499Z

#2025MMM #DivisionTuxedoStyle #TeamTapir Art by Charon Henning @oddangel.bsky.social #mammals #sciart

V Pellicer- art commissions open! (@veppart.bsky.social) 2025-03-20T00:17:27.253Z

Initiatives in Malaysia towards increased forest connectivity have contributed to a wide distribution of Malayan tapir genetic clusters and gene flow between tapir populations over the past decade #2025MMM doi.org/10.1016/j.ge…

Fernando Villanea (@fervillanea.bsky.social) 2025-03-20T00:17:39.478Z

Cloud Rat is pretty big… for a rodent, weighing up to 4.6 lb (2.1 kg), measuring up to 30 inches (75 cm) in length, and wearing a sleek dark coat. It also differs from most other rodents in the family Muridae by having one set of mammary glands #YouveSubscribedtoLactationFacts #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:18:48.071Z

#2025MMM #DivisionTuxedoStyle #TeamGiantCloudRat Art by Valeria Pellicer @veppart.bsky.social #mammals #sciart

V Pellicer- art commissions open! (@veppart.bsky.social) 2025-03-20T00:19:11.518Z

As of 2015, 18 species belong to the cloud rat clade of the Philippines. Cytochrome b sequences suggest that the Southern Luzon Giant Cloud Rat is the earliest diverging lineage of the cloud rat clade that still exists today! #2025MMM doi.org/10.2988/0006-324X-128.1.22

Fernando Villanea (@fervillanea.bsky.social) 2025-03-20T00:19:14.088Z

At dusk in the rainforests of the Taninthayi Nature Reserve in Myanmar, Malayan Tapir zigzags between sub-canopy trees, foraging for fruit, shoots, & leaves to meet her need to feed (up to ~4-5% of her body mass in one day!) #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:19:53.939Z

MEANWHILE, on the island of Luzon, Cloud Rat wakes in a hole of a large tree to begin his active period by looking for new leaves to eat (Maala 2001; Bryk 2004). Cloud Rat surveys the area for humans, its only predator. This species is hunted for culinary and medicinal purposes. #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:20:52.493Z

#MMMagic translocates Cloud Rat to the rainforest floor in Myanmar, right in the path of tromping Malayan Tapir!! #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:21:23.226Z

Cloud Rat immediately lunges toward a tree trunk, climbs a couple feet with his strong claws & forelimbs, making a brief irritated growl (Bryk 2004) at unaware Tapir. #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:22:04.623Z

A tree next to Cloud Rat's tree has some delicious smelling fruit, and Malayan Tapir begins snarfling fruit, turning her rear toward Cloud Rat's who is emitting a brief, irritated growl… #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:22:38.809Z

WHEN SUDDENLY TAPIR IS BACKING UP TO SCENT MARK CLOUD RAT'S TREE TRUNK!!! #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:23:24.582Z

Often solitary as adults, Malayan Tapir rely on scent marking to signal their presence (Gearty 2012; Suwannaphong et al. 2018) and reproductive states to other Tapir in the area, scent-marking in the evening means the scent is fresh for other Tapir active in the night-time #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:24:43.324Z

Before getting squished by Tapir booty or saturated in Tapir urine, Cloud Rat race climbs toward the canopy and beyond the field of battle! #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:26:06.563Z

TAPIR BOOTY DISPLACES CLOUD RAT!!!! #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:26:50.162Z

Southern Luzon Giant Cloud Rats have 22 pairs of chromosomes while other rodents endemic to the Philippines have pairs of chromosomes ranging from 13 pairs in the Isarog Shrew Mouse to 26 pairs in the Luzon Cordillera Hairy-tailed Rat. #2025MMM #RIP tinyurl.com/5n97vhs7

Fernando Villanea (@fervillanea.bsky.social) 2025-03-20T00:27:05.425Z

#2025MMM #DivisionTuxedoStyle #TeamTapir Art by Charon Henning @oddangel.bsky.social #mammals #sciart

V Pellicer- art commissions open! (@veppart.bsky.social) 2025-03-20T00:27:20.835Z

NEXT UP: 3rd-seed Wild Yak (Bos mutus) vs. 14th seed Zorilla (Ictonyx striatus)! #2025MMM This battle is by @chumblebiome.bsky.social!

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:28:58.954Z

Wild yak are on the #TuxedoStyleDivision scene & are not a sight to miss. Not that you could miss the huge fluffy dudes -one of the largest extant bovids, yaks are covered in long, shaggy dark hair. They top off their look w/ a lovely grey or gold accent muzzle (Leslie&Schaller 2009) #2025MMM

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:29:42.782Z

#2025MMM #DivisionTuxedoStyle #TeamYak Art by Charon Henning @oddangel.bsky.social #mammals #sciart

V Pellicer- art commissions open! (@veppart.bsky.social) 2025-03-20T00:30:00.564Z

Wild yaks roam the Tibetan Plateau alongside domesticated yaks which provide food and transportation for Tibetan pastoralists. The frequencies of genetic variation in wild and domestic yaks best match a model where domestication of yaks occurred ~7,300 years ago. #2025MMM doi.org/10.1038/ncomms10283

Fernando Villanea (@fervillanea.bsky.social) 2025-03-20T00:30:15.264Z

Not to be outdone, our other #TuxedoStyleDivision combatant, the striped polecat or zorilla, is a mustelid sharing an adaptive style guide like their Mephitid cousin skunk's: they're covered in black fur broken up with white stripes running on their back from head to tail. (Aguilar 2003) #2025MMM

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:30:49.979Z

#2025MMM #DivisionTuxedoStyle #TeamZorilla Art by Mary C Freisner @maryfreisner.bsky.social #mammals #sciart

V Pellicer- art commissions open! (@veppart.bsky.social) 2025-03-20T00:31:10.813Z

In the past, the zorilla has been grouped with skunks given the striking similarities in both of their striped coats. However, markers from the 12S and 16S ribosomal RNA genes suggest that the zorilla is more closely related to otters than skunks. #2025MMM doi.org/10.2307/1382896

Fernando Villanea (@fervillanea.bsky.social) 2025-03-20T00:31:31.346Z

Tonight's battle takes place in a remote, high-elevation alpine meadow. Surrounding the meadow is the backdrop of the alpine steppes and mountainous terrain of the Tibetan Plateau in Chang Tang Reserve. (Leslie&Schaller 2009) A herd of yak is grazing in the cold sunshine. #2025MMM

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:32:26.262Z

MEANWHILE in GAMBIA… Zorilla is on the hunt. This solitary, nocturnal carnivore is on the trail of a small rodent. He stops, hearing the scritch-scratch of small rodents near the edge of his forest-savanna territory. Zorilla silently stalks his prey, ambush leaps… #2025MMM

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:33:07.193Z

RIGHT AS #MMMagic Translocation portal opens!!! Zorilla leaps onto the Tibetan plateau field of battle! Zorilla skids to a halt on the icy moss, assessing these new, chilly surroundings. Starting to actually get chilled, he sniffs the… MUSKY air. #2025MMM

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:33:52.862Z

Nearby, a huge male Yak at the edge of the herd looks over. The piece of lichen he's nonchalantly chewing dangles from his mouth. #2025MMM

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:34:15.532Z

Zorilla goes on RED ALERT and tiny bellows a warning call at Yak – "a low energy sound with suppressed harmonics." (Channing and Rowe-Rowe, 1977). Yak swipes his tongue to bring the dangling lichen into his mouth while watching the Zorilla. #2025MMM

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:35:02.041Z

Time to ESCALATE. Zorilla takes a threat stance: He turns around, plants sharp little feet, arches his back, shrieks a high pitched scream, & lifts tail straight up in the air so that his rear end is facing the yak #FullMoon #2025MMM

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:35:57.965Z

YAK steps forward for some more lichen… #2025MMM

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:36:46.354Z

Zorilla sprays a foul-smelling fluid from her anal glands towards the yak! That black & white pattern of Zorilla (& skunks) advertise their JUICY defenses to possible predators and that they are not worth attacking or eating (aposematism) #2025MMM

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:37:29.316Z

A bitter Himalayan wind blows down from the mountains and Zorilla's spray BLOWS back ONTO HIMSELF! #LiteralBackfire #2025MMM

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:38:12.887Z

Scoring on his own goal, Zorilla runs from the field of battle, screaming an undulating submission scream (Channing and Rowe-Rowe, 1977). #2025MMM

Katie Hinde (@mammalssuck.bsky.social) 2025-03-20T00:38:49.818Z

#2025MMM #DivisionTuxedoStyle #TeamYak Art by Mary C Freisner @maryfreisner.bsky.social #mammals #sciart

V Pellicer- art commissions open! (@veppart.bsky.social) 2025-03-20T00:39:21.493Z

Zorillas harbor the ancestral mustelid karyotype of 38 chromosomes while other mustelids, such as skunks, the American mink, and many weasels have diverged from this ancestral configuration. #2025MMM #RIP doi.org/10.1007/s10577-008-1270-2

Fernando Villanea (@fervillanea.bsky.social) 2025-03-20T00:39:28.971Z

Next Up: 4-seed Cape Buffalo (Syncerus caffer caffer) vs. 13-seed Moonrat (Echinosorex gymnura) #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:42:02.220Z

Cape Buffalo are horned, even-toed ungulates with males weighing ~835kg/1840 lbs w/ shoulders ~1.7m/5.6 ft high. Buffalo is black/dark brown and adult males have large horns that are very close together at the base (called a "boss") and curve upwards at the ends reaching ~1.3m/4.3ft wide. #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:43:06.142Z

#2025MMM #DivisionTuxedoStyle #TeamBuffalo Art by Charon Henning @oddangel.bsky.social #mammals #sciart

V Pellicer- art commissions open! (@veppart.bsky.social) 2025-03-20T00:43:21.815Z

"Did humans shape the fate of the African Buffalo?A genetic study by Talenti et al. reveals a sharp decline in Syncerus caffer populations over the last 10,000 years—mirroring human expansion across Africa. Coincidence? Maybe not. #2025MMMwww.nature.com/articles/s42…

Fernando Villanea (@fervillanea.bsky.social) 2025-03-20T00:43:24.718Z

Moonrats are small (females weigh ~2kg/4.4lbs) & are not rodents but belong to the family Erinaceidae (w/ hedgehogs). Moonrat is mostly black with head&shoulders covered in white/grey fur except for black eye patches; a Bornean subspecies is white w/ black guard hairs (Wilson et al. 2006) #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:44:19.524Z

#2025MMM #DivisionTuxedoStyle #TeamMoonrat Art by Olivia Pellicer @opellisms.bsky.social #mammals #sciart

V Pellicer- art commissions open! (@veppart.bsky.social) 2025-03-20T00:44:34.880Z

The family Erinaceidae encompasses 27 species in 2 subfamilies: Erinaceinae (spiny hedgehogs) & Galericinae (gymnures, incl. the Moonrat). Over 45M yrs. separate these subfamilies, according to a study using DNA obtained from fresh samples & museum specimens. #2025MMM doi.org/10.1111/1749-4877.12909

Fernando Villanea (@fervillanea.bsky.social) 2025-03-20T00:44:47.669Z

TONIGHT we find Cape Buffalo in the Okavango Delta in Botswana, a large delta system that relies on seasonal flood cycles (UNESCO, n.d.). Buffalo here respond to environmental changes by changing their herd size (Bennitt et al. 2017). A large, lone male grazes on the periphery of his herd #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:47:21.834Z

ELSEWHERE in the mangrove forests of Sumatra, Indonesia, Moonrat finds itself nestled in an abandoned burrow after a long night of munching earthworms. Moonrats prefer a solitary lifestyle and rarely will tolerate other moonrats. #ImALonerDotty #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:48:22.895Z

#MMMagic Translocates Moonrat to the sunny, late afternoon grasslands of the Delta. Moonrat is not pleased; it is nocturnal and used to living in moist forests (Brozovic et al. 2018). Scared & unsure where to run for cover, Moonrat freezes into a hunched, open-mouthed position (GBIF, n.d.) #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:49:22.877Z

Moonrat stands frozen, mouth agape… WHEN SUDDENLY… footsteps approach… #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:49:59.233Z

…And a solitary Black-Backed Jackal (Canis mesomelas) appears on the scene!! Without a pack, Jackal cannot hunt the large game in the grasslands and instead hunts for small mammals (Fishman 2000). #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:51:13.903Z

MEANWHILE Buffalo looks up from the tall grass it is grazing on, but only to do its other favorite activity: ruminating. Buffalo dedicates as much as 74% of its active hours to grazing and ruminating (Winterbach and Bothma 1998). #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:52:06.778Z

Jackal catches a unique whiff of an unfamiliar critter and approaches frozen Moonrat…. Moonrat emits a HISS-PUFF followed by a low roar (Fox 1999)… #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:52:51.255Z

…But that's not all Moonrat emits. Moonrat emits a defensive spray characterized by the sweet aromatic notes of "rotten onions, ammonia, and stale sweat" (GBIF, n.d.)…#2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:53:40.958Z

Buffalo remains undisturbed by the Jackal-Moonrat fray and continues alternating between ruminating & grazing and then grazing & ruminating #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:54:42.402Z

Jackal launches forward through the stench, undeterred, mouth aimed at Moonrat's body! HISS-PUFF. HISS-PUFF. yip. HISS-PUFF. HISS-PUFF. yip. CHOMP. yip. #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:55:37.505Z

Jackal stops, teeth clenched around Moonrat. Jackal aims its large ears towards the yips in the distance, which seem to be coming closer. #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:56:37.868Z

The distant yips worry Jackal; these yips belong to a pack of African wild dogs (Lycaon pictus) who are known to prey on Jackal (Kamler et al. 2007). Jackal trots off the battlefield, stinky Moonrat treat in its jaws. #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:58:00.772Z

Cape Buffalo chews the cud in its mouth and eructates (aka BELCHES), letting out carbon dioxide, methane, and hydrogen sulfide gasses produced during fermentation processes occurring during digestion in ruminant species (Miss. State U Extension, 2024). #2025MMM

Dr. Chloe Josefson (@chloejosefson.bsky.social) 2025-03-20T00:58:38.815Z

#2025MMM #DivisionTuxedoStyle #TeamBuffalo Art by Charon Henning @oddangel.bsky.social #mammals #sciart

V Pellicer- art commissions open! (@veppart.bsky.social) 2025-03-20T00:59:53.609Z

A population genetics study along Malaysia’s Kinabatangan River found that while it blocks movement for some species (eg tree shrews & squirrels), others, like the Moonrat, cross w/ ease, maintaining genetic connectivity btw populations on both sides. #2025MMM #RIP doi.org/10.1007/s10592-019-01159-3

Fernando Villanea (@fervillanea.bsky.social) 2025-03-20T00:59:50.628Z

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