B. Hamilton 1965 Gavia adamsii Barrow Alaska June 29 A bird was observed flying over Family house. As it flew it uttered slowly a series of "Kzak" notes. The yellow bill could be distinguished when the bird wasn't uttering the notes. This bird landed in some open water on the W side of Family house. It looked like a Common loon with a yellow upturned Bill. It flew as soon as it saw me. June 25. A loon was observed flying over uttering "Kzab" notes. It was too far away to be identified clearly, but is believed to be this species. Another loon was heard but not seen. June 26 Three birds were heard flying over and they were presumed to have been of this species. Two of the birds were seen flying together but they were too far away to be identified. July 6 Two birds of this species were seen flying over the polygonized ground around the Meadow lake. Their wingsbats are slower than the other loons here. Frequently a whistling sound is heard through their wings which can be heard before the loons are seen. The large yellow bill is unmistakable and is an excellent field mark. July 16 A loon flock of five of this species were observed flying toward Elston house. A single bird was seen later. July 20 A bird of this species was observed flying E over my enighz