Savannah Sparrow (Passerculus sandwichensis) Science Article 3
abstract
We compared the incubation behaviour of 1-year-old female Savannah Sparrows Passerculussandwichensis nesting for the first time with that of older females that had nested in previousyears on Kent Island, New Brunswick, Canada. Using temperature probes inserted into 32nests, we determined the length and variability of incubation shifts and recesses over 99 nestdays
NATHANIEL T. WHEELWRIGHT and JANET C. BEAGLEY, Ibis (2005), 147, 67-76