an couple of adult sand martins riparia riparia resting on sand near its nest at the coast in hundested denmark.

active adult air amazing animal aves avian background beautiful bird birds brown carnivora chicks coadult coast colour couple denmark earth elegant europe european fast feathers feeding flight ground has hole hundested its landing martin martins migration mud nature near nest outdoors passerine quick raising reserve resting riparia sand small speed summer swallow swallows swift vivid warm wild wildlife young