This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
The genera of birds . Order II PASSERES Tribe IT Conirostres Family VI Musophagid The second Subfamily OPISTHOCOMINiE or Hoactzins have the Toes lengthened and the outer toe not capable of being placed posteriorly Opisthocomus Hoffm Bill short thick broad at the base the culmen much curved to the tip which is abruptly compressed