Publications

prey synchronize their vigilant behaviour with other group members.	it is generally assumed that an individual of a prey species can benefit from an increase in the number of its group's members by reducing its own investment in vigilance. but what behaviour should group members adopt in relation to both the risk of being preyed upon and the individual investment in vigilance? most models assume that individuals scan independently of one another. it is generally argued that it is more profitable for each group member owing to the cost that coordination of indivi ...	0	17341457
helminths and bot fly larvae of wild ungulates on a game ranch in central province, zambia.	helminths and bot fly larvae were collected from 11 wild ungulate species on a game ranch in the central province of zambia. new host-parasite records are: calicophoron sp. from defassa waterbuck kobus ellipsiprymnus defassa and kafue lechwe kobus leche kafuensis; avitellina centripunctata, gaigeria pachyscelis and gedoelstia cristata from tsessebe damaliscus lunatus lunatus; cooperia rotundispiculum from common reedbuck redunca arundinum; dictyocaulus filaria from greater kudu tragelaphus strep ...	1998	9741058