However, birds preparing for migration pack on more weigh to survive the strenuous journey and can weigh up to 25 g (0.88 oz). Normally, seeing more than one Connecticut Warbler in fall migration is very unusual. They are "skulking" birds that usually spend their time foraging within dense, low vegetation. Many references have broken down fall warblers into those featuring wing bars and those without, but some further subdivisions are useful in breaking up the species further. This long migration over open water calls for strong selective pressures. Males have a grey hood; female and immatures are more brown and have a whitish throat. These birds migrate to the Amazon Basin in South America in winter. Nests are built on the ground, but are well-hidden in moss and grass. In #3, definitely Connecticut- in addition to the extensive gray hood and gray tones covering the throat area, Nashville can be easily ruled out because they have a white vent (region where legs meet the body), and this bird has a yellow vent. [7] When it comes to sociability, the Connecticut warbler is a solitary species; however, groups of about twenty-five will come together in the fall before migration. They are fairly elusive birds, but it appears that their numbers may be declining due to loss of winter habitat. Montrose Point, Chicago. It is made of "dry grasses, stalk of weeds and horsehairs". [13] Connecticut warblers are on the IUCN red list as a species of Least Concern. But after Hurricane Emily hit Bermuda in September 1987, ornithologist David Wingate found 75 Connecticut Warblers in one spot. Simply plumaged, with a gray hood, yellow belly, and olive back, the Connecticut Warbler has a large bill and a large pale eyering—often the first field mark that stands out. Though most warblers are strictly insect eaters, some – especially the Yellow -rumped – will also eat seeds, and the black-eyed susans and cone flowers at Auburn Lake are ideal for them in late summer, as well as the Sweet Bay Magnolia which also attracts both warblers and other birds to its flowers. It was named by Alexander Wilson who observed the first classified specimen. It used to be considered paraphyletic, and it was paired with the Mourning, Kentucky and MacGillivray's warblers in the genus Oporornis. More specifically, they recorded a previously undocumented two day flight over the Caribbean to the Antillean islands. (1999). Newfoundland. This species walks. “Some people thought they saw it, but most did not, and it was quite frustrating when it could no longer be seen. As mentioned earlier, the Connecticut warbler is an elusive species. The biggest warbler highlight of the fall was a Connecticut Warbler at Mill St. on 10/2 (BB, et al. Alexander Wilson was the first to describe this bird while visiting the state of Connecticut in the fall of 1812. Will try it this fall. Biases obscure whether sexes and ages of window-killed fall migrants die in proportion to their frequency in the migrating population Gregory M. Russ; Gregory M. Russ 1. [7], Their breeding habitat is bogs or open deciduous woods near water, especially with poplar, spruce, tamarack or aspen, in central Canada and states bordering the Great Lakes. Download this stock image: . When I stepped out of the car this morning at Lighthouse Point in New Haven, with the temperature near ... [UPDATE 11/27/13: Sadly, it appears that Xtranormal has shut down their website. This warbler is closely related to the Mourning Warbler, Kentucky Warbler, and MacGillivray’s Warbler. This page was last edited on 20 October 2020, at 16:42. Updated from the original March 19, 2015, Bird Finder. September, the Connecticut Warbler makes its fall migration on a more easterly track along the Atlantic coast, and this is the only time that it is possible to see it in Connecticut. He is kind enough to share his secrets with us here. Thank you again, Tim, for the fantastic information, photos, and sound clip.]. Venier LA, McKenney DW, Wang Y & McKee J. In this space I generally keep a running journal of sightings and photos. The genus name, Oporornis, comes from the Latin for bird of autumn, and sure enough, these birds are found in New England more often in fall than any other season. Danz NP, Lind J, Hanowski J, Niemi G & Jones MT. It also will join other species, such as Blackpoll warblers, to feed during the fall. A late spring migrant. December 8th, 2020. They forage on the ground, picking among dead leaves, or hop along branches. Eric, good to know! Specimens have been observed in Colombia (north & southeast), Venezuela (northeast & interior), Guyana (at the border), and Peru (South). [7] The nest is an open cup well-concealed in moss or a clump of grass. BC) and the application of pesticides gets rids of nesting locations. Little is known about it outside of the breeding season as to this date, less than 25,000 individuals have been banded. Most lay in mid-June, though some populations have been observed to lay in July. As … reasoning why this is/isn’t a Cassin’s Vireo (or why it is a Blue-headed). and continue to play a role, likely into 2021. By Greg Hanisek Of all the warblers that breed in Connecticut, the first to return in spring is the Pine Warbler, arriving in mid- to late March. A guide to the birds of New England and eastern New York; containing a key for each season and short descriptions of over two hundred and fifty species, with particular reference to their appearance in the field. 10/24/2019. Aspen logging on their breeding range (i.e. Thanks Nick and Tim.Andrew Block. Google Scholar. Like most warblers, these birds mainly eat insects and similar small invertebrates. Fall Warblers: Need IDs on these from Pennsylvania Bird Identification Q&A Fall Warblers: Need IDs on these from Pennsylvania - BirdForum BirdForum - The net's largest birding community, dedicated to wild birds -------------------------------------------------------------------------------------, [Nick's note: I put Tim's tips to work last autumn and was able to find a few CONWs in exactly the habitat he described. In 2020, many moved into the state during the last few days. Their eggs have a creamy color and they are speckled and blotched with chestnut and bay. I have had luck with finding CONW in edges of mugwort near White Pine groves.I read that CONW like White Pine plantations in migration.This was in the Peterson Warbler Guide. [10] Males are highly territorial during breeding season, they defend an area which ranges from 0.24–0.48 hectares.[7]. Good info. Pitocchelli, J., J. Bouchie, and D. Jones. [4][5] This species has light yellow underparts and olive upper-parts; they have a light eye ring, pink legs, a long tail, pale wing bars and a thin pointed bill. Little is known about it outside of the breeding season as to this date, less than 25,000 individuals have been banded. However, recent studies have found that these three warblers were more closely related to the yellowthroats which belong to the genus Geothlypis. (1999). In addition, I'll be rambling about various topics, such as: identification, status and distribution, the state of migration, rarities, and weather and its impact on local birding. While overall numbers were down from yesterday, Interestingly, it is only an uncommon migrant there. 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