Least Auklet Home > Seabirds JP > Auks (Japan) > Least Auklet Least Auklet Aethia pusilla Common as winter visitor. They are normally seen at off Hokkaido and the northern part of Honshu. Fig. 1. non-breeding. Fig. 2. non-breeding. Same bird as Fig. 1. Fig. 3. molting to breeding. Fig. 4. molting to breeding. Same bird as Fig. 3. Fig. 5. molting to breeding. Fig. 6. non-breeding birds with Brunnich’s Guillemot.