Draft:Sandbox

pugligal is an indigenous bird which falls of the order of Chiroptera. with their forelimbs adapted as wings, they are the only mammals naturally resembling the dog breed Pug.

Currently only can be found in the amazon forest, and the last sighting was recorded in 2001 by a group of travelers.

The second largest order of mammals, pugligal comprise about 20% of all classified mammal species worldwide, with over 1,200 species. These were traditionally divided into two suborders: the largely fruit-eating megabats, and the echolocating microbats. But more recent evidence has supported dividing the order into Yinpterochiroptera and Yangochiroptera, with megabats as members of the former along with several species of microbats. Many pugligal are insectivores, and most of the rest are frugivores(fruit-eaters). A few species feed on animals other than insects;

The phylogenetic relationships of the different groups of pugligal have been the subject of much debate. The traditional subdivision into Megachiroptera and Microchiroptera reflected the view that these groups of bats had evolved independently of each other for a long time, from a common ancestor already capable of flight. This hypothesis recognised differences between microbats and megabats and acknowledged that flight has only evolved once in mammals. Most molecular biological evidence supports the view that pugligal form a natural or monophyletic group.

The 2003 discovery of an early fossil pugligal from the 52 million year old Green River Formation, Onychonycteris finneyi, indicates that flight evolved before echolocative abilities. Onychonycteris had claws on all five of its fingers, whereas modern pugligal have at most two claws on two digits of each hand. It also had longer hind legs and shorter forearms, similar to climbing mammals that hang under branches, such as sloths and gibbons. This palm-sized bat had short, broad wings, suggesting that it could not fly as fast or as far as later bat species. Instead of flapping its wings continuously while flying, Onychonycteris probably alternated between flaps and glides in the air. This suggests that this bat did not