Spotted Hyena Reproduction PDF
REPRODUCTION RESEARCH Endocrinedifferentiationoffetalovariesandtestesofthespotted hyena (Crocuta crocuta): timing of androgen-independent ... spotted hyena is largely androgen independent, but that differentiation of the fetal gonads, and their ability to
Reproduction of the spotted hyena (Crocuta crocuta Erxleben). Philos Tran R Soc Lond B 230:1–78. FUNCTIONAL ANATOMY OF THE SPOTTED HYENA 217. Neaves WB, Grifﬁn JE, Wilson JD. 1980. Sexual dimorphism of the phallus in spotted hyaena (Crocuta crocuta).
Keywords: courtship, Crocuta, mating, sexual behavior, spotted hyena. Introduction In addition to synchronizing physiological and behavioral processes neces-sary for fusion of gametes ... Reproduction in the spotted hyena Crocuta crocuta (Erxleben). ...
Mammalian sexual differentiation: lessons from the spotted hyena Stephen E. Glickman1, Gerald R. Cunha2, Christine M. Drea3, Alan J. Conley4 and Ned J. Place5
BIOLOGY OF REPRODUCTION 56, 1301-1306 (1997) Pattern and Source of Secretion of Relaxin in the Reproductive Cycle of the Spotted Hyena (Crocuta crocuta)'
554 BIOLOGY OF REPRODUCTION 73, 554–564 (2005) Published online before print 25 May 2005. DOI 10.1095/biolreprod.105.041129 The Ontogeny of the Urogenital System of the Spotted Hyena
Lifetime selection on a hypoallometric size trait in the spotted hyena Eli M. Swanson1,*, Ian Dworkin1,2 and Kay E. Holekamp1,2 Author Affiliations
reproductive strategies in the spotted hyena. In Reproduction in Context. K. Wallen and J. Schneider (Eds). MIT Press. Cambridge. ... Fission of a spotted hyena clan: Consequences of female absenteeism and causes of female emigration. Ethology. 93: 285-299.
Holekamp, K. E., Smale, L. & Szykman, M. 1996: Rank and reproduction in the female spotted hyena. J. Reprod. Fert. 108, 229—237. Holekamp, K. E., Smale, L., Berg, R. & Cooper, S. M. 1997a: Hunting rates and hunting success in the spotted hyena. J.
A Neuroanatomical Comparison of Humans and Spotted Hyena, a Natural Animal Model for Common Urogenital Sinus: Clinical Reﬂections on Feminizing Genitoplasty
Keywords Spotted hyena · Crocuta · Association patterns · Male mate choice Introduction ... Lindeque M (1981) Reproduction in the spotted hyenaCrocuta crocuta (Erxleben). MSc thesis, University of Pretoria Marshall TC, Slate J, Kruuk LEB, Pemberton JM (1998) Statisti-
Lifetime selection on a hypoallometric size trait in the spotted hyena Eli M. Swanson1,*, Ian Dworkin1,2 and Kay E. Holekamp1,2 1Department of Zoology, Michigan State University, 203 Natural Science, East Lansing, MI 48824, USA
The present study focuses on the spotted hyena Crocuta crocuta, a social carnivore known for its complex female-dominated society. ... Ecology, and Reproduction (FSSBER) at the University of California, Berkeley. Currently, this colony houses 26
FIGURE 2. An excited group of juvenile spotted hyenas (note the erect tails). One hyena, in the center of the group. has just regurgitated some appropriately odoriferous material and the
Spotted (or Laughing) Hyena (Crocuta crocuta) Color: Tawny to brown in color with black spots covering the body. Spotted hyenas are the largest ... Reproduction: Spotted hyenas are not seasonal breeders, and can reproduce at any time of the year,
hyena, Hyaena hyaena; brown hyena, H. brunnea; and spotted hyena, Crocuta crocuta. An additional hyaenid, the aardwolf, ... If breeding does occur, reproduction usually ceases long before either animal is old, the male showing little interest in mating.
BEHAVIORAL ECOLOGY OF THE STRIPED HYENA (Hyaena hyaena) by Aaron Parker Wagner A dissertation submitted in partial fulfillment of the requirements for the degree
Palaeopopulations of Late Pleistocene top predators in Europe – Ice Age spotted hyenas and steppe lions in battle and competition about prey
Field Station for the Study of Behavior, Ecology, and Reproduction. Collecting Cubs in Kenya “… [the labia majora are] fused to form a scrotum and the clitoris is hypertrophied to form ... “The female spotted hyena is unique among mammals
Spotted Hyena (Crocuta crocuta) •Males and females look identical •Females are 10% larger than males and are more aggressive ... Microsoft PowerPoint - Sex and reproduction 2010.ppt [Compatibility Mode] Author: James A. Carr Created Date:
Subordinate Males (no reproduction, responsible for helping to raise young) •Brown Hyena clans exhibit social structures unique for a ... brunnea and the Spotted Hyena Crocuta crocuta in the Southern Kalahari. Supplement to Koedoe, 1984: 237-247.
Reproduction 132: 649- 659. doi:10.1530/rep.1.01120, http://www.reproduction-online.org (accessed April 22, 2009). ... System of the Spotted Hyena (Crocuta crocuta Erxleben): a Functional Histological Study.” Journal of Morphology 256:
reproduction in the female spotted hyena. Journal of Reproduction and Fertility 108:229–237. James W H, Hofer H. 1999. A note on sex ratios and sex combinations in Serengeti spotted hyaenas: siblicide and sub-binomial variance. AppliedAnimal
Spotted Hyena (Crocuta crocuta) •Males and females look identical •Females are 10% larger than males and are more aggressive ... Microsoft PowerPoint - Sex and reproduction II 2013 [Compatibility Mode] Author: James Carr Created Date:
status, reproduction, feeding habits and body measurements of the 28 mammalian carnivores known to occur in the Cape Province. ... Kalahari Gemsbok National Park; lion Panthera leo, cheetah Acinonyx jubatus and the spotted hyena Crocuta crocuta.
promoting individual survival and/or reproduction at the expense of siblings.” Siblicide (also termed brood reduc-tion) ... of 1,124 spotted hyena cubs from 735 litters in the three main study clans, comprising 351 (47.8%) singleton, 379
carnivore, the spotted hyena (Crocuta crocuta). MS 1996, Department of Zoology, concentration in animal behavior, Michigan State University, ... reproduction in this species. June-December 1992. Undergraduate student research: ...
Author's personal copy dominant nonadaptive arguments both require that masculini-zation in spotted hyenas developed within a social system in
reproduction and survival deep into the park (Davidson et al., 2011;Loveridgeetal.,2007).Intheseareasestimatingliondensities ... Spotted hyena track frequency along a gradient of distance to the nearest village (r2 (1,17) = 0.504, p = 0.001).
Reproduction: The gestation period for giraffes is between 14-15 months. ... are vulnerable and cannot defend themselves from usually lion and the spotted hyena. Giraffes are hunted for their meat, coat and tails. The tail is prized for good luck bracelets, fly whisks
The spotted hyena dis-plays similar, but more pronounced, maternal effects on offspring phenotype. In this species, the female’s clitoris is hypertrophied, resembling the male’s penis. ... reproduction and thermoregulation, integration of both systems may occur here.
spotted hyena, Crocuta crocuta  and rhesus macaques, Macaca mulatta ), ... skew in male reproduction found in many species [5,25], paternal siblings tend to be born in the same age cohort . As age mates go through the same life-history stages
Reproduction (FSSBER) at the University of California, Berkeley. Currently, this colony . 6 houses 26 hyenas: 14 adult females, 10 adult males, and 2 sub-adult males (less than two ... the spotted hyena and, more generally, to decipher the complex communication network of
Spotted hyena occupancy was in uenced by 6 variables, lions by 5 variables, baboon by 4 variables, wildcat by 3 variables, 6 species ... devoted to foraging and reproduction (and care of young) and re-sponses to restrictions imposed by competitors.
diet, reproduction, hunting strategy etc. In some cases, incidents were ‘reconstructed’ as a play, ... striped and spotted hyena. Other local languages depend on adjectives or descriptions, like English, to distinguish the two species. These
Social organization of the spotted hyena Crocuta crocuta. II. Dominance and reproduction. Animal Behaviour, 34, 1510-1527. • What is the correlation between wins and cubs born? • What is the correlation between wins and one-year cub survival?
81 active) spotted hyena males in one study (Holekamp and 82 Smale, 1998), but not another (Goymann et al., 2003); ... reproduction, the relationship between cortisol and social 134 rank might be expected to differ across species, depending 135
Reproduction and Demography . Seasonal. Mating August–November; births October–January. Gestation 60–62 days. ... but may occur on pups by Spotted Hyena, Golden Jackal and large eagles. LIFESPAN . 12 years in the wild. Status and Threats .
access to resources, reproduction and care of young (Sunquist 1981). The distinct land ... Table 1.4: Comparative social system of the striped, brown and spotted hyena Striped hyena Brown hyena Spotted hyena Data deficient Family clan -male, female, subadult and cubs
• Predators are the spotted hyena, cheetah, leopard, and wild dog. Jackals have been seen attacking fawns. ... Reproduction and mating usually peak in the periods December to February and August through September in East Africa.
need large areas to thrive and generally have low reproduction rates. This makes them even more vulnerable to pressures from commercial hunting, ... Lion and Spotted hyena because they are the most abundant predators in Chobe-Caprivi and
Author's personal copy species of carnivores that include lion, leopard, cheetah, spotted hyena, side-striped jackal and wild dog. Kafue National Park is
We investigated patterns of relatedness and reproduction in a population of striped hyenas ... Frank LG (1986) Social-organi zation of the spotted hyena (Crocuta crocuta).1. Demography. Animal Behaviour, 34, 1500–1509.
The Center for Reproduction of Endangered Species (CRES), the research division of the Zoological Society of San Diego, houses several species of animals in ... in a male spotted hyena (Crocuta crocutta - hyenas are not canids, but are a related
living Spotted hyena. Time will tell if this analysis is valid. The Langebaanweg hyenas do not all occur together in the same depositional ... Reproduction Conservation status Interesting facts Picture included Map RUBRIC – FACT SHEET Performance Indicator Levels No title
unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Funding: ... Spotted hyena (Crocuta crocuta), for example, are generally regarded as among the most efficient predators in the
Spotted Hyena (Crocuta crocuta). J. Zoo Wildlife Med. 36(3): 515–519, (2005) 6. ... Animal Reproduction Science 42 (1996) 527-535. ORAL PRESENTATIONS (* indicates published abstracts) 1. 2011 Primate Pathology Workshop, Case 17.
No further reproduction is authorized without written permission from Elsevier. This version of the document is not the version of record. Figures and/or pictures may be ... spotted hyena subsample was produced by captive animals at the Berkeley hyena colony.
a number of free-ranging species, among these are spotted hyena ( I ), olive baboons ( . ... reproduction, social structure, and survival strategies in ical~ Inc., Atascadero, CA) previously validated for use in that species was this species.
and spotted hyena Crocuta crocuta (Hofmeyr et al., 2003; Lindsey et al., 2005; Hayward et al., 2007a; Hunter et al., ... reproduction (Table 2): eight females ﬁrst reproduced at a mean age of 2.8 0.4years (range: 2.3–3.6years), whereas