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The largest bat, fruit bat

The largest bat, fruit bat (Picture 1)

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Fruit bats are animals belonging to the genus Foxbatidae, mainly distributed in tropical and subtropical areas. There are not many species in China, which are limited to the southern provinces of China, and are now suspected of being Ebola virus hosts. Fruit bats are the largest bats, and some species have wingspans up to 2 meters, also known as flying foxes. Its body is large, with claws on the first and second fingers. The eyes are large and the tail is short, not covered by the membrane. Going out for food at dawn and dusk, the juice in the fruit and stamens will cause certain harm to the fruit trees. Fruit bat ear shells are simple, oval, with auricles forming a circle, without tragus and opposing tragus; developed eyes and good vision; the skull has a long snout, the posterior margin of the palate extends beyond the molar, the molar crown is flat, and the central The longitudinal groove is suitable for soft food; the tongue is very developed, the types of pollen and nectar are particularly prominent, and they can protrude far from the mouth.

There are nine species of fruit-eating bats in the Philippines, which mainly inhabit primary forests and are highly dependent on plant resources in the forest. Therefore, human development of forests as agricultural land or excessive use of natural products of forests will seriously affect habitat. Philippine fruit-eating bats have a wide range of appetite. Almost all species are cannibal eaters, not only eating one or two fruits. However, different species of fruit-eating bats have different emphasis on fruit selection. The height of the fruit tree and the fruit density available per unit area (such as a tree) are for large fruit-eating bats that fly long distances for "sitting and eating". Speech is more important. The small and medium-sized fruit-eating bats with frequent trips are selected based on the color of the fruit. Therefore, the fruits eaten by large fruit-eating bats are mostly green or dark, while the small and medium fruit-eating bats are mainly fruits with bright colors and high protein, fat and sugar content.

Flying foxes are actually fruit bats. They are called flying foxes because their heads are like foxes and have brown-red fur. Long tongue fruit bat is a new species of flying fox with orange-red fur and three white stripes on its face, found on the island of Mindoro in the Philippines. This flying fox was first named the Mindoro fruit bat, which researchers believe is unique to the Philippines. It is also known as the hole fruit bat, with a forearm length of 6.1 to 7.8 cm and a skull length of 3.2 to 3.7 cm. It is a larger type of fruit bat. The tongue is very long and has special elongation ability. There is no tragus, the edges of the ear shell are connected into a complete ring. The head is dark brown, the front shoulders are pale gray, the back of the body is dark brown, and the lower body is brownish yellow. The wing membrane is dark brown and black, the second finger of the forelimb has no claws, and the wing membrane on both sides of the forearm has fine villi. The femoral membrane is narrow, the tibia is bare, the distance is significant, with a short tail, the skull is thicker, the kiss is shorter, and the posterior orbital process is significantly developed. There are 5 cheek teeth on each side. The backlash between the inner two incisors is significantly smaller than the backlash between the inner and outer incisors. It mostly inhabits dense trees during the day and feeds on fresh fruits such as banyan fruits and bananas, which are distributed in the west, south and southeast of Yunnan, and southwest of Guangxi.

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