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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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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.
openaire +1 more source