Black tern mid-flight feeds three hatchlings sitting on river nest

black tern midflight feeds three hatchlings river nest chicks wildlife dependency chlidonias niger feeding hatchling ornithology bird watching hungry chick fauna de zwarte stern sterns laridae wild nature aves zoology animal behaviour wilderness animal outdoors netherlands ecology bird animalia behavior species avian plumage charadriiformes birdwatching family amazing incredible slow motion slomo feed provider behaviour river low angle parent