Abstract
There are only a few scattered records to date of species in the Auk Family along the coastlines of the Kanto Region. This paper reports four records, including three collections of specimens, obtained in 2003 and 2004, of Thick-billed Murre Uria lomvia, at four ponts off the Pacific Ocean coast, in the region from the Kashimanada Ibaraki Prefecture south to Kujukuri hama in Chiba Prefecture (Fig. 1).
1. Two individuals in winter plumage were observed 300-500m offshore of Kujukurihama, along sandy beach, on February 8th, 2003.
2. One female in 1st winter plumage was recovered washed up on a sandy beach at Choshi, Chiba Prefecture, on February 10th, 2004 (Fig. 2). This bird later died.
3. One bird in winter plumage was recovered dead on a sandy beach at Hasaki, Ibaraki Prefecture, on February 13th 2004 (Fig. 3).
4. One bird in winter plumage was recovered washed up on a sandy beach at Yasashigaura, Chiba Prefecture, on April 13th 2004 (Fig. 4).
