National Geographic : 1938 Aug
HARBINGERS OF SPRING, MANX SHEARWATERS SKIM OVER THE SEA WAITING FOR NIGHT TO RETURN TOTHEIR BREEDING GROUNDS Through the winter months they have been out of sight of land. With unerring instinct this contingent has returnedtoSkokholm. One parent may range hundreds Sof miles from the family burrow for several days during the nesting period, but it is sure to relieve its mate and takeupthe watch over thesingle egg(page 267). Photographs ©Capt. H.Morrey Salmon VENERABLE STONE FARM BUILDINGS, RESTORED BY THE AUTHOR, MAKE HABITABLE HIS "DREAM ISLAND'