Straw-coloured fruit bat (eidolon helvum) kasanka park, zambia, flock in flight at sunset.

skies animals developing countries forests straw coloured fruit bat flocks flight nocturnal winged fruit bats national mammalia sky bat fruit flying fauna park wildlife pteropodidae eidolon sunset chiroptera warm blooded colonies colony fruit bat trees developing country horizontal flock vertebrate endotherm mammal tree fruit bats nature bat zoology kasanka forest horizontals zambian endothermic helvum warm vertebrates blooded sunsets mammals bats african zambia third world africa flock animal