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The platypus (Ornithorhynchus anatinus), [4] sometimes referred to as the duck-billed platypus, [5] is a semiaquatic, egg-laying mammal endemic to eastern Australia, including Tasmania. The platypus is the sole living representative or monotypic taxon of its family Ornithorhynchidae and genus Ornithorhynchus , though a number of related species ...
Egg clutches number 8–13 creamy white to greenish-buff eggs free of speckles. [92] [93] They measure about 58 mm (2.3 in) in length and 32 mm (1.3 in) in width. [93] The eggs are laid on alternate days, and incubation begins when the clutch is almost complete. [93] Incubation takes 27–28 days and fledging takes 50–60 days.
It was originally bred as a commercial or utility bird, to provide meat and eggs. [9] As the breast is white, the carcase plucks cleanly. [10] Ducks lay approximately 80 eggs per year; they vary in colour from white to pale green, and weigh about 65 g.
The Orpington [2] or Buff Orpington Duck is a breed of domestic duck. It is a dual-purpose breed used for meat and egg production. It is capable of laying up to 220 eggs a year. Originally created by William Cook of Orpington, Kent, England, from the selection of mis-marked Blue Orpington Ducks; Cook was also the developer of the Orpington ...
Like many ducks, common pochards suffer a high rate of parasitic egg-laying, a behaviour also known as egg dumping. Studies have shown that as many as 89% of nests in some areas contain one or more eggs not laid by the incubating female. [22] [23] The percentage of parasitic eggs may reach as high as 37% of all eggs laid in some populations. [23]
If you're looking for a bird that lays eggs that you can eat, runner ducks are it. Females can lay as many as 300 to 350 eggs a year. You'd never have to buy eggs again! The eggs come in shades of ...
[8]: 70 Ducks may lay some 100–150 large eggs per year. [14] At the beginning of the laying season the eggs are dark and may be almost black; they gradually lighten to the usual pale greenish blue or almost to white by the end of the season. [3] [8]: 70 If they are to be hatched, the incubation time for the eggs is 28 days. [4]
The females can lay as many as 300 to 350 eggs a year. They were bred on the Indonesian islands of Lombok, Java and Bali. These ducks do not fly and only rarely form nests and incubate their own eggs. They run or walk, often dropping their eggs wherever they happen to be. The breed arrived in the Western world in the 19th century; they have ...