These cute little primates are actually carnivores and have many unique features. They can even make facial expressions and communicate with ultrasonic sounds.
Do you know all of these 10 cool facts about Tarsiers? Don’t stress these animals out, as there are suicide cases!
Here is a video of 10 cool facts about tarsiers, or you can also read all the facts below:
10 COOL FACTS ABOUT TARSIERS
Tarsiers, with their distinctive wide eyes and nocturnal habits, are a captivating genus of small primates found primarily in Southeast Asia.
These tiny creatures, known for their extraordinary jumping ability and unique physical characteristics, inhabit dense forests where they play a subtle yet important ecological role.
This introduction will explore the intriguing aspects of tarsiers, including their diet, behavior, and the remarkable adaptations that enable them to thrive in their specific environmental niches.
ALSO WATCH/READ: I found a carabao in the Philippines
10. Tarsier eyes are bigger than their brains
The tarsiers’ eyes are their most prominent feature. They have the largest eye-to-body size ratio of all mammals. Their small brain-to-body size ratio suggests tarsiers are less intelligent than the great apes.
9. Nocturnal animals today
These large eyes help the tarsier to capture enough light to see at night, but strangely, they don’t have a tapetum lucidum.
The tapetum lucidum is a reflective lining in the back of the eye that most nocturnal vertebrate animals, like cats, owls, and even fish have evolved.
It amplifies the small amount of light that the eyes receive. Because tarsiers lack this common reflective lining in their eyes, it is believed tarsiers were, until recently, more active during the daytime.
8. Natural defenses
Tarsiers are only about the size of a rat and have to worry about being eaten by house cats. Native Southeast Asian predators include civet cats, monitor lizards, eagles, and snakes.
To defend themselves, tarsiers mostly use their small size to hide in tree nooks. If hiding doesn’t work, they can jump away or call for help. Tarsiers use several unique distress signals, which call on larger neighboring males to come to the rescue.
For snakes, the mob of tarsiers will scream, jump, and bite. This intimidates the snake to back off. In the case of a predatory bird alarm, the behavior is different. The tarsiers will spread out and alert each other of the bird’s location, acting as sentries.
7. Arboreol leapers
Tarsiers are named after their elongated tarsus bones. Tarsus bones make up the ankle. This gives them frog-like hind legs, which allows them to leap more than 4 meters from tree to tree, or half a meter up, vertically.
Tarsiers are arboreal, meaning they spend the majority of their lives in the trees. They have also adapted extremely long tails and creepy-looking fingers to aid with grip and balance.
6. Excellent communicators
Not only do tarsiers utilize verbal distress calls, but they also use scent glands on their faces and urine to mark territory and for mating signals.
Tarsiers are even capable of making several facial expressions because, like humans, they have a distinct upper lip. Most other primates and mammals have their mouth directly connected to their nose, and this limits facial expression.
Tarsiers can even communicate using “ultrasonic” sounds. These sounds are so high-pitched that most predators, including humans, cannot hear them. Ultrasonic communication helps to keep the tarsiers safe.
5. Weird fingers and toes
Tarsiers have very elongated digits, with sticky pads to help grip. Their fingers all have nails, but the toes have a combination of nails and claws. Each foot has 3 nails and 2 claws. These claws are used for grooming, not combat, as far as I can tell.
4. Obligate carnivores
Tarsiers look cute, but they are predators and strictly eat other live animals only. They are the only surviving members of the primate order to be strictly carnivorous. Tarsiers eat mostly large insects like beetles, cicadas, and moths.
They sometimes will leap from tree to tree to eat small lizards, birds, or even bats if they can get their hands on them.
All other primates, like humans, are omnivores, meaning they can eat a little bit of everything. Having such a strict diet is one of the reasons tarsiers are listed as either threatened or strictly endangered around the world.
3. Fixed eyes
Tarsier’s eyes are stuck to their skulls, and they can only change what they are looking at by moving their heads. Like owls, they have exorcist girl necks and can rotate their head about 180 degrees in each direction.
Their optic nerves connect differently to their brains than all other primates. This indicates that tarsiers’ evolutionary path split from all other primates, such as humans, some 55 million years ago.
2. Conservation status
Tarsiers are already well on their way to extinction. Today, only fossils can be found in mainland Asia, Europe, and North America.
Humans are the main threat to tarsiers. We are constantly cutting down rainforests to make way for more farmland. On the island of Bohol in the Philippines, only 700 individuals are estimated to remain in the wild.
Human pet trade and tourism are also significant threats. Please know that these animals do very poorly in captivity, with their life expectancy being cut in half from 24 years down to 12 years.
Human contact, including touch, noise, and camera flashes, stress these guys out. Tarsiers prefer to be hidden, and there are even suicide cases when tarsiers are put in cages. They can easily crack their own skulls when trying to escape back into the comforts of the wild.
1. Current range and diversity
Today, tarsiers can only be found on the Southeast Asian islands. The biggest populations are in the Philippines, Indonesia, and Borneo. There are 18 different species of tarsier, and the Philippine Tarsier is the most common. Their dwindling estimated population size is only about 5,000 individuals.
FINAL THOUGHTS ON COOL FACTS ABOUT TARSIERS
Tarsiers, small yet significant, play a vital role in their ecosystems. As insectivorous primates, they help control insect populations, including agricultural pests, contributing to a balanced natural environment.
Their presence indicates a healthy, biodiverse forest, as they require a specific habitat to thrive. Tarsiers also aid in seed dispersal, indirectly supporting plant growth and forest regeneration.
These elusive primates are key indicators of environmental health, and their survival reflects the well-being of their ecosystem. Thus, protecting tarsiers is not only about preserving a unique species but also about maintaining the ecological integrity of their habitats.
Did you enjoy these cool facts about tarsiers? Have you seen one? If not yet, plan a trip to the Philippines and head to the island of Bohol to see them in person.
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