Pages 1652-1675 in Life histories of North American cardinals, grosbeaks
, buntings, towhees, finches, sparrows, and allies.
085) at San Joaquin sites; Blue Grosbeaks
had a significant negative effect for valley oak tree cover at Consumes sites, but an apparently positive effect at San Joaquin sites (P = 0.
Recently there have been reports on WPI's Central Massachusetts Bird Update list of pine grosbeaks
at Quaboag Pond in Brookfield and Worcester Airport.
We used detections based on this criterion within 30 m for Yellow-rumped Warbler (Dendroica coronata); 60 m for Savannah Sparrow (Passerculus sandwichensis); 70 m for Gray Jay (Perisoreus canadensis), Wilson's Warbler (Wilsonia pusilla), and American Tree Sparrow (Spizella arborea); 125 m for American Pipit (Anthus rubescens), Horned Lark (Eremophila alpestris), and Pine Grosbeak
(Pinicola enucleator); and 150 m for the other 20 species.
Although they breed in northern evergreen forests and western mountains, evening grosbeaks
are most often seen in winter.
Pages 605-615 in Life histories of North American cardinals, grosbeaks
, buntings, towhees, finches, sparrows, and allies (O.
Perkins collected Kona Grosbeaks
, as delimited in Olson (1999).
Other species widely held in early American homes included Baltimore orioles (Icterus galbula), bobolinks (Dolichonyx oryzivorus), rose-breasted grosbeaks
(Pheucticus ludovicianus), eastern bluebirds (Sialia sialis), indigo buntings (Passerina cyanea), gray catbirds (Dumetella carolinensis), purple finches (Carpodacus purpureus), "black caps" or black-capped chickadees (Poecile atricapilla), and red-winged blackbirds (Agelaius phoeniceus).
nest in the area after their migration to and from Central Mexico.
The shrubs and young trees of the understory and midstory are preferred by various flycatchers, white-eyed and blue-headed vireos, house wrens, hooded warblers, blue grosbeaks
, indigo buntings and more.
I've heard grosbeaks
singing in the neighborhood, and known the species must nest somewhere nearby, but, despite some searching, I've never found the required proof--adults feeding young or carrying fecal sacs--to confirm their breeding status for the Breeding Bird Atlas.
What she's spotted in her yard so far: Three dozen kinds of birds, including Western tanagers, flickers, grosbeaks
, chickadees, Spotted townees, rufous and Anna's hummingbirds, and Cooper's hawks Butterflies such as swallowtails, painted ladies, and fritillaries much greater than] Bees [much greater than] Ladybugs [much greater than] Lacewings [much greater than] Pacific tree frogs.
These include white- and red-winged crossbills, who eat the hemlocks' little cones by crushing them with pincer-like beaks, and all manner of warblers, finches, grosbeaks
and boreal chickadees, pine siskins and purple-throated hummingbirds.
Another would be memorable for the warbler migration; another for visitation by orioles or rose-breasted grosbeaks
Millet: buntings, cardinals, doves, finches, grosbeaks
, pigeons, siskins, sparrows, thrashers, wrens