oology. mute swans (cygnus olor) egg with a development pathology. the infundibular end has an abnormal narrowing (passes through the cloaca during egg laying). in nest - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor) adult bird with four-day-old chicks on the nest, two unfertilised eggs still in the nest, allgäu, bavaria, germany - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor) on the nest, two-day-old chicks and two unfertilised eggs in the nest, allgäu, bavaria, germany - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor) adult bird with two-day-old chicks on the nest, two unfertilised eggs still visible, allgäu, bavaria, germany - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor) on the nest, two-day-old chicks peeking out from under the feathers, an unfertilised egg still lying next to it, allgäu, bavaria, germany - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor), male swimming in front of nest with four eggs, cham, lake zug, canton zug, switzerland - 鵝蛋 動物蛋 個照片及圖片檔
time of birth. greylag goose (anser anser) eggs have hatched and in day chicks will be born. crack in shell precedes cutting off infundibular part with help of egg tooth of embryo. oology. baltic sea - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor), female with hatched chick checking her eggs on the nest, cham, lake zug, canton zug, switzerland - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor), male swimming in front of nest with four eggs, cham, lake zug, canton zug, switzerland - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor), male swimming in front of nest with four eggs, cham, lake zug, canton zug, switzerland - 鵝蛋 動物蛋 個照片及圖片檔
mallard (anas platyrhynchos) nest with eggs between stinging nettles on the bank, allgäu, bavaria, germany - 鵝蛋 動物蛋 個照片及圖片檔
mallard (anas platyrhynchos) mown nest in green rye with broken eggs and dead duck, lower austria, austria - 鵝蛋 動物蛋 個照片及圖片檔
coots (fulica atra), standing on nest of mute swan (cygnus olor), with eggs, cham, lake zug, canton zug, switzerland - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor), male standing on nest with eggs, cham, lake zug, canton zug, switzerland - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor), female sitting on nest while incubating four eggs, cham, lake zug, canton zug, switzerland - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor), male swimming in front of nest with four eggs, cham, lake zug, canton zug, switzerland - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor), male standing on nest with eggs, cham, lake zug, canton zug, switzerland - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor), male swimming in front of nest with four eggs, cham, lake zug, canton zug, switzerland - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor), male climbing the nest with eggs, cham, lake zug, canton zug, switzerland - 鵝蛋 動物蛋 個照片及圖片檔
mallard (anas platyrhynchos) mown nest in green rye with broken eggs and dead duck, lower austria, austria - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor), male swimming in front of nest with four eggs, cham, lake zug, canton zug, switzerland - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor), female with two hatched chicks and two eggs sitting on nest, cham, lake zug, canton zug, switzerland - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor), two hatched chicks with two eggs sitting on nest, cham, lake zug, canton zug, switzerland - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor), male swimming in front of nest with four eggs, cham, lake zug, canton zug, switzerland - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor), male climbing the nest with eggs, cham, lake zug, canton zug, switzerland - 鵝蛋 動物蛋 個照片及圖片檔
mallard (anas platyrhynchos) nest with eggs under old grass, allgäu, bavaria, germany - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor), male swimming in front of nest with four eggs, cham, lake zug, canton zug, switzerland - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor), male swimming in front of nest with four eggs, cham, lake zug, canton zug, switzerland - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor), two newly hatched chicks with egg sitting on nest, cham, lake zug, canton zug, switzerland - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor), female with freshly hatched chicks and one egg sitting on nest, cham, lake zug, canton zug, switzerland - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor), female with two hatched chicks checking her egg on the nest, cham, lake zug, canton zug, switzerland - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor), female with hatched chick checking her eggs on the nest, cham, lake zug, canton zug, switzerland - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor), male swimming in front of nest with four eggs, cham, lake zug, canton zug, switzerland - 鵝蛋 動物蛋 個照片及圖片檔
mute swan (cygnus olor), female with two hatched chicks and two eggs sitting on nest, cham, lake zug, canton zug, switzerland - 鵝蛋 動物蛋 個照片及圖片檔