... nocturnal grazing distance of common hippos from their water source is approximately 2 km . ... This is an indication that the animals are still being hunted or still have fresh memories of this threat . ... Acknowledgements Funds for this work came from a Wildlife Conservation Society supplementary budget given to the ...
8.4 min per night , but this difference was not significant when night length was accounted for . ... near the northern limit of the species ' geographic range ( van Zyll de Jong 1985 ) , are on a particularly tight energy budget . ... The foraging behaviour of M. evotis is similar to that of some other gleaning insectivorous animals .
These results were compared with those obtained by the nutritional budget method . ... In euthermic animals , the water flux was significantly higher during the active season ( April : 126ml j - 1 kg- ' ) than ... will be of great value for the better understanding of the energy budget , in field conditions , of this nocturnal species .
Many desert animals , which are active at midday in spring , shun the heat during the summer months and become crepuscular in habit . ... SEASONAL CHANGES IN THE DAILY ENERGY BUDGET OF SMALL RODENTS W . Grodzinkski The daily energy budget ( DEB ) was studied in ... The daily pattern of both activity and metabolic rate is nocturnal in the summer but somewhat diurnal in the winter .