Guillemot (Uria aalge), razorbill (Alca torda) and puffin (Fratercula arctica) nesting together. Space is at a premium on the nesting sites in the Treshnish Isles so different species have to get along with each other. Hebrides, Scotland

guillemot uria aalge razorbill alca torda puffin fratercula arctica nesting space community social behaviour space a premium little space nesting sites treshnish isles different species united kingdom uk hebrides groups seabirds sea birds rocks mating scotland feathers plumage