Field Season Update: 75 active nest sites

Mandt’s Black Guillemots roosting on roof of Cooper Island cabin, which was added to the field camp in 2003 for additional protection from polar bears. Image Credit: Mike Morrison

Luckily the first week’s tedium of camp housekeeping was balanced with daily indications that the Black Guillemot’s 2019 breeding season would not be a repeat of last year, when colony size and productivity had major decreases related to the poor survival and breeding condition of adults. Of the 75 nest sites occupied last year, only 25 had pairs that incubated eggs. This year a similar number of nests are occupied but all of those have birds diligently attending eggs.

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