One on the left hiding behind a branch then jumps towards the right then they both move to the left to fly away, Great Hornbill Buceros bicornis, Khao Yai National Park, Thailand

hornbills concavecasqued hornbill great hornbill buceros bicornis yellow bill fruiting tree bucerotidae birds nest frugivorous fruits bucerotiformes frugivore nesting tropical forest foraging anthracoceros conservation large bird habitat perch plumage southeast asia bird in the habitat branch rainforest khao yai national park tree thailand semievergreen longlived jungle nature insectivore world heritage feathers tropical unesco forest wings great indian vulnerable burrow black casque fishing massive bill pied indian subcontinent