Pied-billed Grebe

3401734108

Records

56. Burke Museum nest record cards=44 (class cards=17); egg sets=9; field notes=3.

Counties

Douglas=4; Grant=3; King=35; Okanogan=1; Pierce=5; Spokane=8.

cluchsize

The secondary peak of first-egg dates in June and July could represent second broods.

Clutch size

37 usable records. Mean 5.9 eggs. A single nest with 12 eggs was excluded because it likely represented laying by more than one female.

Two extended observations of laying sequence showed egg production every second day rather than daily.

cluchsize

| This is the last one