They have 4, but not exactly "fingers"
A batwing is an individual bat's wing, or something in the shape of a bat's wing.
African Fruit Bats have wing spans up to 6 feet in length .
The size of a fruit bat depends on which breed of bat is being asked about. A Australian fruit bat is around thirty inches in size when full grown. Through a straw fruit bat is five to six foot in length.
flight
That would depend on the length of the bat. The '-2' is known as the 'bat drop' or 'drop weight' and means that the weight of the bat, in ounces, is 2 less than the length of the bat in inches. To find the weight of the bat you must first measure the bat to find its length. If the length of the bat is 30 inches, the weight of the bat is 28 ounces. If the length of the bat is 28 inches, the weight of the bat is 26 ounces.
A bat's wing
The wing span of the Honduran White bat is about 6 cm (2 1/2 inches).
maximum permitted length of bat is 38" inches.
maximum permitted length of bat is 38" inches.
Waiting.
Bat's wings are the equivalent of the human arm. The bats fingers are highly elongated to produce the wing tip as well as support for the wing's membrane. The forearm provides wing length on the far side of the elbow that can be folded back against the upper arm (humerus) when they are at rest.
The weight of the bat, in ounces, is 3 less than the length of the bat in inches. The -3 is called the 'bat drop' or 'drop weight'. Measure the bat and then subtract 3 from the number of inches and you will determine the weight of the bat in ounces. If the length of the bat is 30 inches, the weight is 27 ounces. If the length of the bat is 33 inches, the weight is 30 ounces. If you see a bat with a -6 on it, that means the weight of the bat, in ounces, is 6 less than the length of the bat in inches ... a -8 means the weight, in ounces, is 8 less than the length of the bat in inches.