Songbird 1 by Robert J. Lang

Diagrams in Origami Design Secrets - 2nd edition by Robert J. Lang
Folded from a square of Vietnamese wrapping-paper

Sparrow by Kunihiko Kasahara

Diagrams in Cute! Cool! Beautiful! Animal Origami Book by Kunihiko Kasahara
Folded from a square of double-sided unryu paper

Sparrow by Kunihiko Kasahara

Diagrams in Origami Omnibus by Kunihiko Kasahara
Folded from a square of art paper

Sparrow by Roman Diaz

Diagrams in Czech Origami Convention 2014
Diagrams in Tanteidan 11th convention
Folded from a square of Jewel Metallic Bronze paper

Sparrow by Roman Diaz

Diagrams in Origami for Interpreters by Roman Diaz
Diagrams in Tanteidan 12th convention
Wet-folded from a square of double-sided mulberry paper

Sparrow by Saadya Sternberg

Diagrams in Israeli Origami Collection Volume 1
Wet-folded from a square of Canford art paper

Sparrow by Saadya Sternberg

Diagrams in Sculptural Origami by Saadya Sternberg
Wet-folded from a square of double-sided mulberry paper

Sparrow by Seth M. Friedman

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

Swallow by Mindaugas Cesnavicius

Diagrams in Drawing Origami - Volume 1 by Halle, Pere Olivella and Nicolas Terry
Wet folded from a square of cardstock

Swallow by Toshikazu Kawasaki

Diagrams in Doctor's Origami Dream Book by Toshikazu Kawasaki
Diagrams in Origami Dream World - Flowers and Animals by Toshikazu Kawasaki
Folded from a square of origami paper. Stand folded from another square