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The giraffe and its food resource in the Serengeti

The dynamics of the giraffe population of the Serengeti were quantified to ascertain the response of the population to the increasing biomass of the available browse resource. Aerial counts conducted in 1971 and 1976 together with analyses of fecundity and mortality data suggest a rate of population increase of some 5–6% per annum. Compared with the dynamics of a stable giraffe population in Nairobi National Park, the sub-adult components of the Serengeti regional populations are larger and juvenile growth rates

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The Luangwa Valley Giraffe

Observations by the author on Giraffa camelopardalis thornicrofti between 1963 and 1969 are supplemented by other data. Its distribution in recent years has extended northwards as far as 11*50′ South on the east bank of the Luangwa River and its number have increased on the west bank in placed previously sparsely inhabited. It is difficult to estimate the total population but there may be 270 — 300 and possibly more as they are believed to be increasing. Calving probably takes

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Notes on the biology of the giraffe

During a 3-year study in Nairobi National Park, 1965–1968, 250 giraffe were identified by their neck markings. The herd structure of these animals was studied, including the relationships between particular individuals. Population information collected included the times of calving, the growth and longevity of giraffe, their reproductive potential, the age structure of the population and its density. Immigration, emigration and home range studies were completed with the help of radio telemetry equipment. The effect of giraffe on the vegetation and

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