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  2. Wood duck - Wikipedia

    en.wikipedia.org/wiki/Wood_duck

    Unlike most other ducks, the wood duck has sharp claws for perching in trees and can, in southern regions, produce two broods in a single season—the only North American duck that can do so. [ 11 ] Wood ducks typically lay their first eggs from February to April. [ 18 ]

  3. Egg incubation - Wikipedia

    en.wikipedia.org/wiki/Egg_incubation

    A female mallard duck incubates her eggs. Egg incubation is the process by which an egg, of oviparous (egg-laying) animals, develops an embryo within the egg, after the egg's formation and ovipositional release. Egg incubation is done under favorable environmental conditions, possibly by brooding and hatching the egg.

  4. Incubator (egg) - Wikipedia

    en.wikipedia.org/wiki/Incubator_(egg)

    A modern egg incubator. An incubator is a device simulating avian incubation by keeping eggs warm at a particular temperature range and in the correct humidity with a turning mechanism to hatch them. The common names of the incubator in other terms include breeding / hatching machines or hatchers, setters, and egg breeding / equipment. [1]

  5. Temperature-dependent sex determination - Wikipedia

    en.wikipedia.org/wiki/Temperature-dependent_sex...

    Pattern IA has a single transition zone, where eggs predominantly hatch males if incubated below this temperature zone, and predominantly hatch females if incubated above it. Pattern IA occurs in most turtles , with the transition between male-producing temperatures and female-producing temperatures occurring over a range of temperatures as ...

  6. Aix (bird) - Wikipedia

    en.wikipedia.org/wiki/Aix_(bird)

    The clutch size is between 6 and 15, and the incubation period is about 30 days. The young are precocial. They venture from the cavity nest at one day old and are cared for by the mother for about 60 days. The young have a very high mortality rate. Wood ducks normally live 3 to 4 years. Mandarin ducks are also monogamous.

  7. Precociality and altriciality - Wikipedia

    en.wikipedia.org/wiki/Precociality_and_altriciality

    Examples of precocial birds include the domestic chicken, many species of ducks and geese, waders, rails, and the hoatzin. Precocial birds can provide protein-rich eggs and thus their young hatch in the fledgling stage – able to protect themselves from predators and the females have less post-natal involvement.

  8. Bird nest - Wikipedia

    en.wikipedia.org/wiki/Bird_nest

    Deep cup nest of the great reed-warbler. A bird nest is the spot in which a bird lays and incubates its eggs and raises its young. Although the term popularly refers to a specific structure made by the bird itself—such as the grassy cup nest of the American robin or Eurasian blackbird, or the elaborately woven hanging nest of the Montezuma oropendola or the village weaver—that is too ...

  9. Black-bellied whistling duck - Wikipedia

    en.wikipedia.org/wiki/Black-bellied_whistling_duck

    The black-bellied whistling duck is quite unique among ducks in their strong monogamous pair-bond. Its pairs often stay together for many years, a trait more often associated with geese and swans. Both parents share all tasks associated with the raising of the young, from incubation to the rearing of ducklings. The ducks, primarily cavity ...

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