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Data are presented on aspects of the group structure anc! social behaviour of warthogs Phacochoerus aethiopicus (Pallas, 1767) in the Andries Vosloo Kudu Reserve (AVKR), Eastern Cape Province, South Africa. The social structure of warthogs is one of small groups, usually solitary males or bachelor groups, matriarchal groups consisting of adult females with juveniles and/or yearlings, or yearling groups. Mean group size was 2.21. Forty five percent of warthogs sighted were solitary. There was a seasonal variation in the mean group size. Differences in social interactions between various age and sex classes are described. Breeding of the warthogs in the AVKR was seasonal with the females coming into oestrus at the end of May and farrowing towards the end of November. The mating system is promiscuous with males roaming during the mating season, mating with numerous females, and females mating with more than one male. Non-offspring nursing occurred.
A total of 109 mammals belonging to 3 wild species: Cervus elaphus, Capreolus capreolus and Sus scrofa were examined post mortem after delivery by hunters to the warehouses of the „Jägerprodukt" company in Sławno and Osowo, and of the „Las" company in Sławsko (Middle Pomerania, Poland). Three species of ectoparasites were collected: Ixodes ricinus, Lipoptena cervi and Haematopinus apri. The highest frequency and the highest index of infestation with ectoparasites were observed in cause of C. elaphus. Lipoptena cervi was the most abundant species on C. elaphus and C. capreolus, and Haematopinus apri - on Sus scrofa.
New suid and sanithere material from Wadi Moghra, early Miocene, Egypt, is described and discussed. The new material greatly improves the sample size and diversity of suoids known from North Africa, and includes one species of Sanitheriidae and three species of Kubanochoerinae. The Moghra suoid assemblage most closely resembles that from Gebel Zelten, Libya, suggesting that at least part of the Moghra deposits may overlap in time with part of Zelten, i.e., is equivalent in age to MN 4–5 of the European mammal zonation, or PIII of the East African one. Information from suids and sanitheres is consistent with previous interpretations, that the Moghra deposits were formed under swampy and littoral paleoenvironmental conditions.
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