(1) Known locally as solan geese , gannets are Britain's biggest seabird, having a wingspan of up to six feet.(2) The only wild animal is the mouse; but the islets swarm with myriads of sea-fowl-fulmar, puffins, guillemots, razor-bills, and solan geese , which annually supply the islanders with great part of their wealth.(3) The wildlife includes otters, seals, salmon and trout and well over 200 different species of birds such as red-throated divers, corncrake, solan geese and a few pairs of golden eagles.(4) The minister of North Berwick, in the character of vicar of the Bass, still receives annually, according to very ancient custom, u2018twelve solan geese , entire, with their feathers on.u2019(5) The main body of the solan geese build on the West Craigs, although a number build also on the Main Craigs; while the guillemots and razorbills seem to confine themselves to the West.