Eurasian Tree Sparrow attack the Nest of Red-rumped Swallow

Nest of Red-rumped Swallow

People of the Nest

Phrurolithus labialis founf in the nest of Tetramorium tsushimae

A sparrow feeding on dandelion seeds

Female Eastern Crowned Leaf Warbler attack the Oriental Cuckoo that approach her nest

In the dark nest, a red-flanked bushrobin host attempting twice to place food onto the wing patch of the Horsfield's hawk cuckoo chick by mistake

Nesting of three-spined stickleback Gasterosteus aculeatus - Nest forming with its mouth

Nesting of three-spined stickleback Gasterosteus aculeatus - Fixing nest material with the secretion from its kidney

An American red squirrel jumping using a tree

A stereotypical behavior in the Eurasian red squirrel Sciurus vulgaris

Nest fixing with the kidney secretion of a male three-spined stickleback Gasterosteus aculeatus

Fight for a nest in great cormorants Phalacrocorax carbo

A pair of Little Grebes interrupted brooding of eggs and was cautious about a Gray Heron coming close to their nest

Agitating by the natural nest den-master

Tail fanning by the artificial nest den-master

The gadwalls were stealing the waterthyme picked by the Eurasian coots

Egg eating by the natural nest den-master

A Little Grebe ran up and lay down on the nest when the partner arrived

Eurasian Wigeons swim upstream in the river, and eat drifting leaves of waterweeds

A nestling of Japanese Marsh Warbler leaving and returning to its nest before fledging

Hunting Japanese flying squirrels in the tree cavity by Mountain Hawk-Eagle

Honshu shrew running the side of a tree

Fanning behavior and repair of nest in three-spined stickleback Gasterosteus aculeatus

A partner of a pair rejected a sprig of Cryptomeria japonica (L.f.) D.Don, which the other brought into the nest