Pre-roosting behavior of Barn Swallows

Two barn swallows diving towards a small insect in flight

Swallows [right of the pair Rabbit and Swallows]

Swallows Flying Over Banch of Cherry Blossoms

Signal behavior of White-naped Cranes

Rabbit [left of the pair Rabbit and Swallows]

Foraging behavior of Gyrinidae in the south of Brazil

Unusual antler-gnawing behavior of sika deer

Five Swallows in Flight above a Branch of Cherry

Appearing Awake, Behavior of a Girl of the Kōka Era

Appearing Embarrassed, Behavior of a Girl of the Meiji Period

Appearing Tiresome, Behavior of a Maiden of the Kansei Era

Appearing Smoky, Behavior of a Housewife of the Kyōwa era

Appearing Itchy, Behavior of a Mistress of the Kaei Era

Appearing Dark, Behavior of a Wife of the Meiji Period

Appearing Undecided, Behavior of a Wife of the Kaei Era

Visual perception of texture in aggressive behavior of Betta splendens

Appearing Hot, Behavior of a Housewife of the Bunsei Era

Appearing Entertained, Behavior of a Teacher of the Kaei Era

Existence and asymptotic behavior of solutions of neutral differential equations

Appearing Inquisitive, Behavior of a Maid of the Tenpō Era

Appearing Delicious, Behavior of a Prostitute of the Kaei Era

Appearing Sleepy, Behavior of a Harlot of the Meiji Period

Small "Sake" Cup with Decoration of a Pair of Swallows on Interior

Appearing Cute, Behavior of a Housewife since 1877