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On the rarity of ratite hybridization
Emu - Austral OrnithologyAlthough an estimated 10–20% of bird species are known to hybridise, research on avian hybridisation is strongly biased towards certain groups, leaving others understudied. Hybridisation in ratites–a polyphyletic group of flightless birds including ostriches, rheas, cassowaries, emus, and kiwi–has received little attention, largely due to its apparent ...
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Ruffling ancient ratite feathers
Science, 2014Evolution![Figure][1] An adult kiwi and an elephant bird egg. PHOTO: KYLE DAVIS AND PAUL SCOFIELD/CANTERBURY MUSEUM Biologists have often pointed to the breakup of the supercontinent Gondwana to explain how related species ended up on far-flung continents, but as new research shows, that explanation doesn't fly with ratite birds. Ratite birds are a
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The Veterinary clinics of North America. Food animal practice, 1999
Diagnostic imaging of ratite species is a challenge, even to the specialist. A portable radiography unit is frequently inadequate to penetrate the coelomic cavity of large birds, but should provide diagnostic quality radiographs of the extremities. Ultrasonography allows visualization of the coelomic structures, but will not penetrate gas or air.
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Diagnostic imaging of ratite species is a challenge, even to the specialist. A portable radiography unit is frequently inadequate to penetrate the coelomic cavity of large birds, but should provide diagnostic quality radiographs of the extremities. Ultrasonography allows visualization of the coelomic structures, but will not penetrate gas or air.
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Ratite Nutrition and Feeding [PDF]
, 2014 There is limited quality research concerning the nutritional requirements of Ratites. However, some dependable guidelines have been established because of work completed in Australia and Africa.
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