Anhima cornuta
tags: Horned Screamer, Anhima cornuta, birds, mystery bird, bird ID quiz
[Mystery bird] Horned Screamer, Anhima cornuta, photographed in Brazil along the Rio Negro, 3 degrees, 5 min S and 60 degrees, 26 minutes W. [I will identify this bird for you in 48 hours]
Image: Dave Rintoul, 2010 [larger view].
Please name at least one field mark that supports your identification.
Today's Mystery Bird is the only species in its genus and, along with two other species in a "sister" genus, is placed into a peculiar taxonomic family. Can you tell me what family these birds are placed into and tell…