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There is a theory that it comes from the World War II RAF acronym GISS for "General Impression of Size and Shape (of an aircraft)", [11] but the use of the term in 1922 precludes that. [ 7 ] [ 12 ] Another theory is that jizz is a corruption of gestalt , a German word that roughly means form or shape. [ 13 ]
Bird measurement or bird biometrics are approaches to quantify the size of birds in scientific studies. The variation in dimensions and weights across birds is one of the fundamental sources of diversity among birds, and even Within species, dimensions may vary across populations within species , between the sexes and depending on age and ...
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They exhibit very little sexual dimorphism in size. The smallest species is usually considered the dwarf bittern, which measures 25–30 cm (10–12 in) in length, although all the species in the genus Ixobrychus are small and many broadly overlap in size. The largest species of heron is the goliath heron, which stands up to 152 cm (60 in) tall ...
Standing up to 1.53 m (5.0 ft), with a wingspan of up to 2.3 m (7.5 ft) and a weight up to 5 kg (11 lb), the African goliath heron (Ardea goliath) is the largest of the herons and egrets. Juvenile white-bellied heron ( A. insignis ) have been reported to weigh up to 8.5 kg (19 lb) with heights of 1.58 m (5.2 ft).
Bird ringing is the term used in the UK and in some other parts of Europe, while the term bird banding is more often used in the U.S. and Australia. [49] bird strike The impact of a bird or birds with an airplane in flight. [50] body down The layer of small, fluffy down feathers that lie underneath the outer contour feathers on a bird's body. [51]
Bird Word Mahjongg. Solve mahjongg word puzzles in this solitaire word building game from the creators of Lost Island Mahjongg. With over 100 different puzzles and virtually unlimited letter ...
Birdwings are typified by large size (up to a maximum body length of 7.6 cm or 3 inches and a wingspan of 28 cm or 11 inches in O. alexandrae), showy colouration (in contrasting shades of green, yellow, black, white, and sometimes blue or orange), and slender, lanceolate forewings.