Table 12. Mean annual dates for first-clutch eggs of Cassin's Auklet, 1970-90, at the Farallon Islands. Means are ranked earliest to latest; lines connect similar means (Student-Neuman-Keuls test, p<0.05).

Date 3/24 3/28 3/30 3/31 4/4 4/5 4/7 4/8 4/9 4/12 4/16 4/18 4/19 4/24 5/29
Year 71 74 76 79 75 81 90 73 87 72 77 70 80 78 83
    88     85     82   84   86      
    89                          

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