Calling bird by John Montroll

Diagrams in Christmas Origami by John Montroll
Diagrams in Origami Twelve Days of Christmas: And Santa, too! by John Montroll
Folded from a square of Kraft origami paper

Crested Tit by Sebastien Limet (Sebl)

Diagrams in Just a Simple Base... by Sebastien Limet (Sebl)
Wet-folded from a square of cardstock

Crow by Kunihiko Kasahara

Diagrams in Cute! Cool! Beautiful! Animal Origami Book by Kunihiko Kasahara
Folded from a square of Lokta

Crow by Seth M. Friedman

Diagrams in Bird Origami by Seth M. Friedman
Folded from a square of Tant paper

Crow - Crowing by Kunihiko Kasahara

Diagrams in Cute! Cool! Beautiful! Animal Origami Book by Kunihiko Kasahara
Folded from a square of marble origami paper

Grackle by Michael G. LaFosse

Diagrams in Origami Art by Michael G. LaFosse and Richard L. Alexander
Folded from a square of cardstock

Japanese white-eye by Tsuruta Yoshimasa

Diagrams in Czech Origami Convention 2016
Diagrams in New Generation of Ultimate Origami by Makoto Yamaguchi
Diagrams in ORCA Works
Folded from a square of Fadeless Duet paper

Java sparrow by Makoto Yamaguchi

Diagrams in Cute Animal Origami by Makoto Yamaguchi
Folded from a square of origami paper

Little bird by Gen Hagiwara

Diagrams in Origami Works of Gen Hagiwara by Gen Hagiwara
Folded from a square of Nicolas Terry's tissue-foil

Little bird by Hideo Komatsu

Diagrams in Origami Tanteidan Magazine 146
Diagrams in The Graceful of Origami by Makoto Yamaguchi
Folded from a square of Fadeless Duet paper