Results 71 to 80 of about 151 (91)
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Earth-Science Reviews, 2020
Abstract Ostriches (Struthionidae) are iconic Old-World giant flightless birds. The two living African species represent only a small part of ancient struthionid diversity, which comprises a number of fossil taxa, including the largest known birds of Northern Hemisphere – Pleistocene giants Pachystruthio.
N V Zelenkov
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Abstract Ostriches (Struthionidae) are iconic Old-World giant flightless birds. The two living African species represent only a small part of ancient struthionid diversity, which comprises a number of fossil taxa, including the largest known birds of Northern Hemisphere – Pleistocene giants Pachystruthio.
N V Zelenkov
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Respiratory Pores on Ostrich Struthio camelus (Aves: Struthionidae) Eggshells
Advances in Experimental Medicine and Biology, 2016Respiratory pores are essential for the survival of the embryo within the eggshell. Distribution patterns of such pores on ostrich (Struthio camelus) eggshells show remarkable variations in bird group. Eggshells preserved in the museum of New Zealand have long, superficial, winding grooves and ridges, with pores distributed densely in the bottom of ...
Tomiyasu Koyama, Koyama T
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RATITES AND TINAMOUS: Tinamidae, Rheidae, Dromaiidae, Casuariidae, Apterygidae, Struthionidae
The Wilson Bulletin, 2003exaly +3 more sources
Veterinary Parasitology, 2009 In order to characterize lesions associated with Codiostomum struthionis in ostriches, 10 caeca were examined on both macro- and microscopic levels. Parasites were found in the distal third of the caecum and characterized as C. struthionis. Thickened mucosa was identified macroscopically where parasites were observed in high concentrations.
CARLOS Wilson Gomes Lopes
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Veterinary Parasitology, 2000
The first case of Entamoeba of the 1-nucleate mature cyst group in birds is described. Trophozoites and cysts of Entamoeba have been found in ostriches (Struthio camelus) from farms located all over Spain. The cysts are large (13.47microm mean diameter); they possess one nucleus when mature, with a large endosome and peripheral chromatine arranged in ...
Martinez-Diaz, R. A. +3 more
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The first case of Entamoeba of the 1-nucleate mature cyst group in birds is described. Trophozoites and cysts of Entamoeba have been found in ostriches (Struthio camelus) from farms located all over Spain. The cysts are large (13.47microm mean diameter); they possess one nucleus when mature, with a large endosome and peripheral chromatine arranged in ...
Martinez-Diaz, R. A. +3 more
exaly +4 more sources
Ostrich and elephant birds Family Struthionidae Vigors 1825
2002Abstract Largest living birds. Bill broad and depressed, the culmen with a strong, rounded tip overlapping the mandible. The nostrils lie in a membranous groove near the middle of the bill. There are no clavicles, the tibia is without a bony bridge, the after shaft is absent and in the alimentary canal, the caecae and rectum arc large.
S J J F Davies +2 more
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South African Journal of Geology, 2008
The reported age estimates for the Prospect Hill Formation in the Western Cape have ranged from Pleistocene to middle Miocene. This vast difference reflects the diversity of techniques and data (microfossils, ratite eggshell, and Sr isotopes) that have been applied to and collected from outcrops of the formation.
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The reported age estimates for the Prospect Hill Formation in the Western Cape have ranged from Pleistocene to middle Miocene. This vast difference reflects the diversity of techniques and data (microfossils, ratite eggshell, and Sr isotopes) that have been applied to and collected from outcrops of the formation.
exaly +2 more sources