Bison by Fumiaki Kawahata

Diagrams in Animals in Origami by Fumiaki Kawahata
Diagrams in Realistic Origami Animals by Fumiaki Kawahata
Diagrams in North American Animals In Origami by John Montroll
Folded from a square of Vietnamese wrapping-paper

Bison by Angel Morollon Guallar

Diagrams in Origami Sketchbook by Angel Morollon Guallar
Diagrams in Pajarita Magazine 129
Folded from a square of cardstock

Buffalo by John Montroll

Diagrams in Origami Gone Wild by John Montroll
Diagrams in Origami La Era Nueva by Kunihiko Kasahara
Diagrams in Origami Sculptures by John Montroll
Diagrams in Origami USA Convention 1986
Folded from a square of tea-stained leather scrapbooking paper

Buffalo by Fumiaki Kawahata

Diagrams in Animals in Origami by Fumiaki Kawahata
Diagrams in Realistic Origami Animals by Fumiaki Kawahata
Folded from a square of Duo Thai paper

Buffalo by George Rhoads

Diagrams in BOS Magazine 80
Diagrams in BOS Magazine 329
Diagrams in Origami USA Convention 1983
Diagrams in Origami Without Borders - QQM 4
Folded from a dollar bill

Bull by Stephan Weber

Diagrams in Tanteidan 11th convention
Wet-folded from a square of Canson art paper

Bull's head by Alfredo Giunta

Diagrams in Divertitevi con L'Origami (Enjoy Origami) by Alfredo Giunta
Folded from a square of Kraft origami paper

Cow by David Llanque

Diagrams in Licence to Fold by Nicolas Terry
Folded from a square of Tant paper

Cow by Fumiaki Kawahata

Diagrams in Origami Tanteidan Magazine 112
Folded from a square of double-sided Unryu paper

Cow by Gen Hagiwara

Diagrams in Origami USA Convention 2009
Folded from a square of origami paper