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  2. Horse breeding - Wikipedia

    en.wikipedia.org/wiki/Horse_breeding

    In the horse breeding industry, the term "half-brother" or "half-sister" only describes horses which have the same dam, but different sires. [6] Horses with the same sire but different dams are simply said to be "by the same sire", and no sibling relationship is implied. [7] "Full" (or "own") siblings have both the same dam and the same sire.

  3. List of genetic hybrids - Wikipedia

    en.wikipedia.org/wiki/List_of_genetic_hybrids

    Horses can breed with Przewalski's horse to produce fertile hybrids. Mule, a cross of female horse and a male donkey. Hinny, a cross between a female donkey and a male horse. Mules and hinnies are examples of reciprocal hybrids. Kunga, a cross between a donkey and a Syrian wild ass. Zebroids. Zeedonk or zonkey, a zebra/donkey cross. Zorse, a ...

  4. Emu - Wikipedia

    en.wikipedia.org/wiki/Emu

    The pelvic limb muscles of emus contribute a similar proportion of the total body mass as do the flight muscles of flying birds. [35] When walking, the emu takes strides of about 100 cm (3.3 ft), but at full gallop, a stride can be as long as 275 cm (9 ft). [ 36 ]

  5. Estrous cycle - Wikipedia

    en.wikipedia.org/wiki/Estrous_cycle

    Horses mate in spring and summer; autumn is a transition time, and anestrus occurs during winter. A feature of the fertility cycle of horses and other large herd animals is that it is usually affected by the seasons. The number of hours daily that light enters the eye of the animal affects the brain, which governs the release of certain ...

  6. Hybrid (biology) - Wikipedia

    en.wikipedia.org/wiki/Hybrid_(biology)

    A mule is a sterile hybrid of a male donkey and a female horse.Mules are smaller than horses but stronger than donkeys, making them useful as pack animals.. In biology, a hybrid is the offspring resulting from combining the qualities of two organisms of different varieties, subspecies, species or genera through sexual reproduction.

  7. Bird hybrid - Wikipedia

    en.wikipedia.org/wiki/Bird_hybrid

    Usually, the bird hybrid shows intermediate characteristics between the two species. A "successful" hybrid is one demonstrated to produce fertile offspring. According to the most recent estimates, about 16% of all wild bird species have been known to hybridize with one another; this number increases to 22% when captive hybrids are taken into ...

  8. Rare bird’s comical dance routine filmed for first time in ...

    www.aol.com/rare-bird-comical-dance-routine...

    A comical dance routine used by a rare breed of bird in a mating tactic that has never before been filmed in the wild. Sir David Attenborough has narrated the bizarre display of the male tragopan.

  9. Horse cloning - Wikipedia

    en.wikipedia.org/wiki/Horse_cloning

    Horse cloning is the process of obtaining a horse with genes identical to that of another horse, using an artificial fertilization technique. Interest in this technique began in the 1980s. The Haflinger foal Prometea, the first living cloned horse, was obtained in 2003 in an Italian laboratory. Over the years, the technique has improved.