Sand Martin landing to nest burrow, Finland

adult adults afrasia afro eurasia alone animal construction animal constructions babies baby back shot back shots back sight back sights back view back views behavior behaviors bird birds brood (eggs) broods (eggs) burrow burrows cavities cavity chick chicks clutch clutches continent continental area count counting description descriptions diet pattern diet patterns eastern finland province ec eec entomophagous insect entomophagous insects enumeration enumerations eu eurafrasia eurasia europe european economic community european union families family feed (to) feeding behavior feeding behaviors feeding behaviour feeding behaviours finland flap wings flapping flight flapping wings flaps wings fledgling flight flights flutter fly (to) flying food foods general morphologies general morphology hole holes image and subject in flight individual individuals insectivore (diet) insectivores (diet) iucn iucn red list of threatened species iucn status juvenile juveniles landmass landmasses least concern (iucn) lc least concern species living organism living organisms localisation localization location lone lonely low risk (iucn) lr migratory species morphologies morphology motion motions nest nest (to) nested nesting nests nourishing old world one one animal only organism organisms passeriforme and other passeriformes and others recording recordings reproductive behavior reproductive behaviors reproductive behaviour reproductive behaviours sand martin (riparia riparia) sand martins (riparia riparia) shoting shotings single small bird small birds smalls solo songbird and other songbirds and others species species characteristic species characteristics species particularities species particularity stage of development swallow (bird) swallows ue uicn view from behind wild animal wild animals wild fauna wild faunae young youngs