C/S:   Plain Chachalaca     Ortalis vetula       Av. Size:   22 in (56 cm)       Sounds:   cha-cha-LAW-ka (Wiki); distinctive sound       Identifying Characteristics:   (large plain-colored bird), grey head/ neck with a dull olive-brown body and wings, pale brown underbelly with darker tail, black/silver/grey bill       Similar to/Compare with:   Rufus-bellied and West Mexican Chachalacas (endemic to NW and W Mexico, respectively)       Range:   US (Texas) to Costa Rica       Habitat:   scrub forest and open areas bordered by trees       Other Info/Notes on Photo:   found most often in groups (4 - 20); frequently hunted/eaten in this area; plain