FIFTY:FIFTY OFFSPRING SEX RATIOS IN SAVANNAH SPARROWS (PASSERCULUS SANDWICHENSIS)

Savannah Sparrow (Passerculus sandwichensis) Science Article 2

abstract

Over a 14 year period, we determined offspring sex ratios in a population ofSavannah Sparrows (Passerculus sandwichensis) breeding on Kent Island, an isolated 80 ha islandin the Bay of Fundy, New Brunswick, Canada, based on morphological measurements of318 independent juveniles and 361 returning adults of known parentage.

NATHANIEL T. WHEELWRIGHT AND RACHEL E. SEABURY, The Auk 120(1):171-179, 2003

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