1996) and color of Common Nighthawk eggs which are creamy white to pale olive gray, usually lightly speckled with grays, browns and blacks (Poulin et al.
Our finding of no predation on eggs in natural habitats may be representative, as predation on Common Nighthawk nests in native grasslands is reported to be quite low (Poulin et al.
Reversing Common Nighthawk population declines: how birders can help.
Common Nighthawk nestlings overcame asymmetrical masses associated with asynchronous hatching within several days of hatching unlike Common Poorwill nestlings, which are reported to take up to 14 days to reach equivalent masses (Csada and Brigham 1994).
Common Nighthawk nests are difficult to find and often just as difficult to relocate.
Further studies on nesting of the Common Nighthawk.
COSEWIC assessment and status report on the Common Nighthawk Chordeiles minor in Canada.
Vegetation characteristics (mean [+ or -] SE) at Common Nighthawk nest sites (2009-2010) and random locations (2010 only) within nest-search plots at Joint Base McGuire-Dix-Lakehurst, New Jersey, USA.
Published studies of Common Nighthawks have considered only nest survival through hatching.
He looked up and found a Common Nighthawk perched on a horizontal branch above the road, surrounded by a group of mobbing birds that consisted of a Downy Woodpecker (Picoides pubescens), an Eastern Phoebe (Sayornis phoebe), two Eastern Bluebirds, and a Magnolia Warbler (Dendroica magnolia).
On the morning of 25 August 2009, MCK spotted a Common Nighthawk perched on a dead branch in a maple tree (Acer sp.