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The incubation period, in which the female incubates while the male remains nearby, lasts for 24–32 days after laying. Canada geese can respond to external climatic factors by adjusting their laying date to spring maximum temperatures, which may benefit their nesting success. [40]
Goose egg addling was predominantly used in the aftermath of the plane crash of US Airways Flight 1549 on January 15, 2009. Following an investigation by officials, which determined the plane crash was caused by a bird strike of Canada geese, an estimated 1,739 goose eggs were coated with oil in an effort to prevent any similar incidents from occurring.
The dusky Canada goose weighs approximately three to twelve pounds and is twenty-five to forty-five inches in length. [5] Male and female geese have black heads and necks, white cheeks, and similar voices. [5] Approximately four to six eggs are the size of each clutch, with an average incubation period of four weeks. [6]
In the latter, the eggs develop in utero for about 28 days, with only about 10 days of external incubation (in contrast to a chicken egg, which spends about one day in tract and 21 days externally). [11] After laying her eggs, the female curls around them. The incubation period is divided into three phases.
Three days before the eggs are scheduled to hatch, they are moved into a hatcher unit, where they are no longer turned so the embryos have time to get properly oriented for their exit from the shell, and the temperature and humidity are optimum for hatching. The eggs will hatch during a period that is often referred to as the hatching window ...
The Atlantic Canada goose is characterized as having a medium grey chest and warm brown wings and flanks. [1] It ranges in length from 90 to 100 cm (3 to 3.2 ft) and has a wingspan of 160 to 185 cm (5.2 to 6.1 ft).
Removing eggs each day, out of the sight of the hens, helps avoid broodiness not only in domestic poultry but also in some wild species in captivity. This continued egg laying means more eggs are laid than would occur under natural conditions. [9] [10] Poultry farming in battery cages also helps to avoid broodiness. [11] [12] [13]
The species usually lays 4–6 eggs, but it can lay anywhere from 2 to 8; eggs are often laid in the nests of other emperor geese families. [14] Eggs measure 7.86 centimetres (3.09 in) by 5.21 centimetres (2.05 in) on average, with an elliptical shape and a smooth shell.