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  2. Spotted owlet - Wikipedia

    en.wikipedia.org/wiki/Spotted_owlet

    Spotted owlets, however, show only a slightly lower melatonin concentration at night with a slight increase in the early afternoon. Other owls such as the barn owl show little day-night variation. [ 13 ] [ 14 ] Seasonal changes in glandular activity have been associated with environmental factors such as temperature and humidity.

  3. Breeding biology of the tawny owl - Wikipedia

    en.wikipedia.org/wiki/Breeding_biology_of_the...

    [60] [5] When the young are 21–25 days old, young begin to spend much time around the entrance of nest hole, and may begin to emerge 3–5 days later. [2] [5] It was found in warmer conditions, that the owlets born to rufous morph mothers requires less oxygen consumption and may have experienced less stress. [70]

  4. Spotted eagle-owl - Wikipedia

    en.wikipedia.org/wiki/Spotted_eagle-owl

    The incubation period lasts approximately 32 days. Spotted eagle-owlets will jump out of a nest that is off the ground at about five weeks of age and spend about ten days on the ground before they can fly. During this time, the owlets learn essential skills by mock-hunting and catching smaller prey such as insects.

  5. Tawny owl - Wikipedia

    en.wikipedia.org/wiki/Tawny_owl

    Juvenile specimen of a tawny owl Field of view compared with a pigeon [image reference needed] An owl's retina has a single fovea. [5] Hooting song, Gloucestershire, England, 1978 'Kewick' calls, England, 1960s. The tawny owl is a robust bird, 37–46 cm (15–18 in) in length, with an 81–105 cm (32–41 in) wingspan.

  6. Great grey owl - Wikipedia

    en.wikipedia.org/wiki/Great_grey_owl

    The great grey owl (Strix nebulosa) (also great gray owl in American English) is a true owl, and is the world's largest species of owl by length.It is distributed across the Northern Hemisphere, and it is the only species in the genus Strix found in both Eastern and Western Hemispheres.

  7. Fledge - Wikipedia

    en.wikipedia.org/wiki/Fledge

    [5] A pigeon fledgling on a tiled floor. One species, the ancient murrelet, fledges two days after hatching, running from its burrow to the ocean and its calling parents. Once it reaches the ocean, its parents care for it for several weeks. Other species, such as guillemots and terns, leave the nesting site while they are still unable to fly ...

  8. Spectacled owl - Wikipedia

    en.wikipedia.org/wiki/Spectacled_Owl

    The spectacled owl can range from 41 to 52.3 cm (16.1 to 20.6 in) in length. Mass in males can range from 453 to 1,075 g (1.00 to 2.37 lb), whereas females can weigh from 680 to 1,250 g (1.50 to 2.76 lb). 10 males from the nominate subspecies (P. p. perspicillata) were found to average 767 g (1.69 lb) while 8 females averaged 908 g (2.00 lb).

  9. Western screech owl - Wikipedia

    en.wikipedia.org/wiki/Western_screech_owl

    [8] [5] The male delivers food to the female as she broods, and once the eggs hatch, the male continues to provide food which the female feeds to the owlets. [8] [5] Both mates then protect their owlets by guarding their tree cavity from dangers such as snakes, jays, and crows. The female is inseparable from her young for their first three ...