1964 Press Photo Class Tetrapod Vertebrates Species - RRR81557
Photo measures 11 x 8 in. Birds (class Aves) are feathered, winged, bipedal, endothermic (warm-blooded), egg-laying, vertebrate animals. Around 10,000 living species makes them the most speciose class of tetrapod vertebrates.
PHOTO FRONT
![Image1](https://kyozoufs.blob.core.windows.net/filestoragecs4/Pictures/529000/528030.jpg)
PHOTO BACK
Historic Images Part Number: RRR81557