Panning view of a sea cliff and the great sea stack of Handa Island covered in a bustling seabird colony full of breeding populations of puffins guillemots, kittiwake and razorbills in Scotland

seabirds cliffs turquoise sea dramatic steep guillemot razorbill kittiwake fulmar ledges sandstone habitat nature climate change biodiversity biodiversity crisis bird flu avian flu cepphus grylle h5n1 decline extinction nest nesting breeding breeding birds avian influenza crashing handa island island scotland flying guano puffin fratercula arctica atlantic seabird ledge nature reserve colony colony of birds sea stack cliff ocean reproduction community population puffins