The first vertebrate animals to truly fly were Late Triassic pterosaurs (TARE-oh-saurs). Their wings are supported by a greatly elongated fourth finger on their forelimbs.
© 1999–2013 New Mexico Museum of Natural History and Science, a Division of the New Mexico Department of Cultural Affairs
1801 Mountain Road NW, Albuquerque, New Mexico, 87104 ph.(505) 841-2800