Narwhal , Male

A Male and a Female Adhering to a Parallele-piped

Male-male competition in Uca arcuata

Male-male competition of Japanese scorpionfly

Male-male agonistic behavior of Carrhotus xanthogramma

Male-male fighting of northern elephant seals

Male-male fighting of Harbor seals 1

Male-male fighting of Harbor seals 2

Male-male agonistic behavior of Sitticus penicillatus (2)

Male-male agonistic behavior of Sitticus penicillatus (3)

Male-male agonistic behavior of Sitticus penicillatus (1)

Display of a male phesant

Male-male fighting behavior of the seed bug, Togo hemipterus

A solo song of the male gibbon

Courtship display of male guppy

Sneaking of male guppy

Male-male competition for eggs in the filefish Rudarius ercodes

The re-invasion behavior of Japanese scorpionfly males that lost the male-male competition

Male cricket's behaviour like a female

Male and Female Deer

Male and Female Dogs

Male and Female Cats

Male and Female Horses

Male and Female Cows

Territorial contest in male Chrysozephyrus smaragdinus

painting

print

Mallard Duck in the Snow

Pig/Oso

カワウ

Vogel bij bloeiende bonenplant

painting

Kolgans in de sneeuw

drawing; handscroll

Reeds and Wild Geese

[Uo zukushi] [Horseradish and Fish]

徽宗／鵤図

painting

Ganzen bij volle maan

Kraai op besneeuwde boomtak

Narwhal , Female

Ganzen aan oever

Myna on Magnolia Branch

[Uo zukushi] Turbot and Gurnard

福禄封侯図

hanging scroll; painting

hanging scroll; painting

painting

Studies from Nature: Plants, Fish, and Birds (Cherry Blossoms with Fish)