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  2. American robin - Wikipedia

    en.wikipedia.org/wiki/American_robin

    The American robin rejects cowbird eggs, so brood parasitism by the brown-headed cowbird is rare, and the parasite's chick does not often survive to fledging. [41] In a study of 105 juvenile robins, 77.1% were infected with endoparasites, Syngamus sp. being the most commonly encountered, in 57.1% of the birds. [42]

  3. Egg incubation - Wikipedia

    en.wikipedia.org/wiki/Egg_incubation

    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. 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 ...

  5. AOL Video - Serving the best video content from AOL and ...

    www.aol.com/video/view/time-lapse-shows-a-baby...

    The AOL.com video experience serves up the best video content from AOL and around the web, curating informative and entertaining snackable videos.

  6. Biological life cycle - Wikipedia

    en.wikipedia.org/wiki/Biological_life_cycle

    In biology, a biological life cycle (or just life cycle when the biological context is clear) is a series of stages of the life of an organism, that begins as a zygote, often in an egg, and concludes as an adult that reproduces, producing an offspring in the form of a new zygote which then itself goes through the same series of stages, the ...

  7. European robin - Wikipedia

    en.wikipedia.org/wiki/European_robin

    The larger American robin (Turdus migratorius) is a much larger bird named from its similar colouration to the European robin, but the two birds are not closely related, with the American robin instead belonging to the same genus as the common blackbird (T. merula), a species which occupies much of the same range as the European robin. The ...

  8. Austrolestes colensonis - Wikipedia

    en.wikipedia.org/wiki/Austrolestes_colensonis

    A. colensonis has a two-year life cycle. [11] Some eggs hatch in the summer that they are laid while others overwinter and hatch the following spring. Those eggs that hatch in the following year overwinter in a dormant state. [11] Temperature is the major influence that regulates the rate of development. Too low and it can cause the death of ...

  9. Holometabolism - Wikipedia

    en.wikipedia.org/wiki/Holometabolism

    The first stage of the insect life cycle is the egg, or embryo, for all developmental strategies. The egg begins as a single cell which divides and develops into the larval form before hatching. Some insects reproduce by parthenogenesis or may be haplodiploid, and produce viable eggs without fertilization. The egg stage in most insects is very ...