17 April 2024
The Aye-Aye: The Strangest Primate in the World

The aye-aye (Daubentonia madagascariensis) is a unique and fascinating primate native to Madagascar. It is considered by many to be the strangest primate in the world due to its bizarre appearance and unusual feeding habits. In this article, we will explore the physical characteristics, behavior, habitat, and conservation status of the aye-aye.

Physical Characteristics

The aye-aye is a long-fingered lemur and the world’s largest nocturnal primate [1]. It has a distinctive appearance with large eyes, large ears, and long, thin fingers. Its fur is long, coarse, and dark brown or black. The aye-aye has rodent-like teeth that perpetually grow [3] and a special thin middle finger that it uses to tap on trees to locate insects [2]. This unique adaptation is called echolocation and allows the aye-aye to find prey in the dark.

The aye-aye is about 40 cm (16 inches) long, excluding the bushy 55- to 60-cm (21.6- to 23.6-inch) tail [3]. It weighs between 2 and 2.6 kg (4.4 and 5.7 lb) [1]. The aye-aye has a lifespan of up to 23 years in captivity [1].


The aye-aye is a solitary and nocturnal animal that spends most of its time in trees [2]. It is an omnivore that feeds on insects, fruit, nuts, and seeds [4]. The aye-aye has a unique feeding behavior where it uses its long middle finger to tap on trees to locate insect larvae [2]. Once it finds a larva, it chews a hole in the wood with its rodent-like teeth and uses its finger to extract the insect [4].

The aye-aye is also known for its unusual grooming behavior. It spends a significant amount of time grooming its fur, which helps to maintain its body temperature and keep parasites at bay [2]. The aye-aye is a shy and elusive animal that is rarely seen in the wild [4].


The aye-aye is found only on the island of Madagascar [2]. It inhabits tahe eastern rainforests of Madagascar and is most commonly found in the canopy layer of trees [1]. The aye-aye is a highly specialized animal that requires a specific habitat to survive. It is threatened by habitat loss due to deforestation and human encroachment [4].

Conservation Status

The aye-aye is classified as Endangered by the International Union for Conservation of Nature (IUCN) [2]. The population of aye-ayes is decreasing due to habitat loss, hunting, and persecution by humans [1]. The aye-aye is protected by law in Madagascar, and conservation efforts are underway to protect its habitat and promote awareness of its importance [4].


The aye-aye is a unique and fascinating primate that is found only on the island of Madagascar. Its distinctive appearance and unusual feeding habits make it one of the most interesting animals in the world. However, the aye-aye is threatened by habitat loss and human encroachment, and conservation efforts are needed to ensure its survival.

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