Straw-coloured fruit bat (eidolon helvum) kasanka national park, zambia, flock in flight, abstract image

horizontals skies park developing country zambian endothermic animals horizontal developing countries wildlife parks pteropodidae straw coloured flock eidolon flight group vertebrate endotherm mammal helvum chiroptera image warm blooded flight groups nocturnal winged warm vertebrates colonies colony national blooded mammals nature bats mammalia african abstract bat zambia zoology third world bat africa kasanka fruit flying fauna sky animal