Global Short Term Trend: Increase of 10 to >25%
Comments: Numbers have increased in southwestern Canada since the early 1970s (Bigg 1988). Total U.S. population increased steadily over the past two decades (NMFS, Federal Register, 15 March 1996). The number of pups born in the Channel Islands increased from about 19,000 in 1989 to 25,000 in 1990 and 31,000 in 1991 (Reeves et al. 1992).