Date of this Version
“First Discovery of a Four-Egg Clutch for Mountain Plover (Charadrius montanus) in Nebraska” from Nebraska Bird Review (December 2011) 79(4).
On 27 May 2010, the first documented Mountain Plover nest in Nebraska to contain a clutch of four eggs was documented in a fallow strip of a dryland crop field in southern Kimball County. Mountain Plover typically have a clutch size of 3 eggs, though clutches with 1 and 2 eggs are observed in approximately 15% of nesting attempts (Knopf and Wunder 2006). Clutches with 4 eggs are rare and have been reported to occur in less than 1% of the population (Knopf and Wunder 2006). Five 4-egg clutches have been reported in Colorado and one in Montana (see Knopf and Wunder 2006 for details), but this was the first 4-egg clutch reported in Nebraska, and it was located after 11 years of intensive study in which a total of 598 Mountain Plover nests were located.