Aye-ayes: The strange nocturnal lemurs with long, creepy fingers

Aye-ayes: The strange nocturnal lemurs with long, creepy fingers

As an Amazon Associate I earn from qualifying purchases.

Woodworking Plans Banner

Close-up of an aye-aye (Daubentonia madagascariensis) in a tree with a piece of fruit, Le Palmarium Reserve, Madagascar.

In addition to discovering food, aye-ayes likewise utilize their long middle fingers to scoop mucous from the back of their throats through their noses.
(Image credit: torstenvelden/Getty Images)

FAST FACTS

Call: Aye-aye(Daubentonia madagascariensis

Where it lives: Madagascar

What it consumes: Seeds, nuts, fruits, nectar, plant matter, fungis, insect larvae and honey

Belonging to Madagascar, this lemur appears like a weird mix of numerous animals. It has the round eyes of an owl, the ears of a bat, rodent-like teeth that never ever stop growing and a wiry, bushy tail longer than its body.

Aye-ayes are the world’s biggest nighttime lemur, weighing around 4 pounds (1.8 kgs) and rising to 24 inches (60 centimeters) long from nose to tail suggestion. Young aye-ayes have a silver front with a stripe down their backs, however as they become grownups, their thick fur turns a yellow-brown with white pointers. Throughout the day, they oversleep round nests crafted from leaves and branches, while during the night they stroll the treetops looking for food.

Aye-ayes have extra-long, bony middle fingers. As the animals move along tree branches in the evening, they tap the wood quickly with their long fingers, listening for subtle modifications in the echoes that signify the existence of hollow chambers where wood-boring pest larvae conceal. When a grub lies, the aye-aye gnaws a little hole into the bark utilizing its teeth, then inserts its thin finger to fish the meal out. These long middle fingers have ball-and-socket joints, providing the lemurs a vast array of movement to much better reach their victim.

Biologists likewise discovered that the lemurs utilize these extended fingers for another job: nose-picking. In a 2022 paper released in the Journal of Zoology, scientists explained how aye-ayes reach through their noses to the back of the throat, then lick off the collected mucous. The group kept in mind that the lemurs might be drawn in to the “texture, crunchiness and saltiness” of the mucous– which might likewise avoid germs from staying with their teeth.

Aye-ayes were thought about extinct up until they were uncovered in the wild in the 1950s. (Image credit: Thorsten Negro/Getty Images)

Like rodents, aye-ayes have continually growing incisors. Their upper and lower front teeth never ever stop growing, however they are used down by the wood, bark and nuts that they munch through.

In Malagasy folklore, aye-ayes are thought about prophecies of death, and some think that if an aye-aye points its finger at you, it’s a death sentenceaccording to the Natural History Museum in London. Due to the fact that of these superstitious notions, aye-ayes are in some cases eliminated on sight, adding to their decreasing population. As soon as noted as extinct, they were discovered in the wild in the 1950s, however they are still threatened.

To protect themselves versus predators, aye-ayes rely primarily on stealth and camouflage. Their dark fur assists them mix into the nighttime shadows of the jungle. Their big, delicate ears allow them to spot the tiniest rustle of leaves– a vital capability for preventing predators like fossas (Cryptoprocta feroxmeat-eating mammals endemic to Madagascar.

Get the world’s most remarkable discoveries provided directly to your inbox.

When threatened, aye-ayes might freeze in location, depending on stillness and silence to prevent detection. They are likewise extremely nimble and have the ability to jump and climb up quickly through thick forest canopies to get away risk.

Lydia Smith is a health and science reporter who works for U.K. and U.S. publications. She is studying for an MSc in psychology at the University of Glasgow and has an MA in English literature from King’s College London.

Find out more

As an Amazon Associate I earn from qualifying purchases.

You May Also Like

About the Author: tech