AudioDateDownLeftRightUpIconClosefacebookReportGallerySettingsGiftLanguageGridListMapMenunoAudionoPhotoPhotoPlayPlusSearchStartwitterUserVideo

Extreme seasonal first egg datesa by region  in Saltmarsh Sparrow across global range.

Location  n  Earliest and latest reported dates Source
Maryland 6 14 May – 21 August Stewart & Robbins 1958
Delaware 7 May – August (27 May [earlier nests?]; Latest nest, young ready to fledge, 26 August) Hess et al. 2000
New Jersey 24 22 May – 21 August Hill 1968
  703 08 May - 04 August K. Ruskin, in litt.
New York ? 09 May- 21 August Hill 1968
  248b 14 May – 17 August JSG, unpublished data
  274 13 May –  7 August K. Ruskin, in litt.
Connecticut 60 24 May – 14 Jul [likely late-truncated] Hill 1968
  184 19 May – 31 Jul K. Ruskin, in litt.
Rhode Island 44b 31 May – 12 August DeRagon 1988
  44 21 May – 13 August  
  22 25 May – 3 August  
  89 26 May – 10 August  
  62 20 May –  19 July K. Ruskin, in litt.
Massachusetts 12 9 June – 12 July [truncated early and late] Hill 1968
  101 31 May – 9 August K. Ruskin, in litt.
New Hampshire 284 30 May – 11 August K. Ruskin, in litt.
Maine 515 23 May-17 August K. Ruskin, in litt.

aNew York (JSG) and Rhode Island dates represent first egg laid in earliest or latest nests; all others are unspecified (perhaps earliest and latest dates nests found with eggs).

bJSG sample size in New York pooled across 4 years; sample sizes in Rhode Island for

four study areas pooled across 2 years.

cUnpublished data from Ruskin (2015), Ruskin et al. (2017), pooled across four years (2011-15). Criteria were for nests observed during laying or for those found later that hatched.