Thick-billed Murres, Brunnich's Guillemots, nesting on a steep cliff site, near Svalbard in Norway, Svalbard, Norway

animal behaviour biological process reproducing mating group of animals flock of birds bird colony large group of animals nobody europe northern europe nordic countries scandinavia norway animal chordate vertebrate bird water bird sea bird animal creation animal nest nest nesting land cliff coastal feature natural land state rock formation outdoors day animal themes nature wildlife physical geography wildlife conservation thick billed murre brunnich's guillemot guillemot bird colony