SCIENTIFIC NAME: Setophaga Pinus
Males have a yellow throat, a yellow-olive back and blurry streaking on the sides. There is a broken yellow eyering and white lower belly and undertail coverts.
Females are pale yellow with a broken yellow eyering and 2 white wingbars.
Females and immatures have olive-brown upperparts. Their throats and breasts are paler.
BILL: stout, relatively long and pointed.
SIZE: measures about 5.1 - 5.5 inches in length, with a wingspan of 7.5 - 9.1 inches.
WEIGHT: weighs about 9 - 15 grams.
COLOR: yellow, yellow-olive, olive-brown, white and gray.
Insects, seeds and berries.
BREEDS: Pine forests, especially sandy pine barrens with a scrubby undergrowth.
WINTER: A variety of wooded and brushy habitats.
SUMMER: The Eastern United States where pine forests are present, and extreme Southeastern Canada.
WINTER: Southeastern United States.
CALL: Makes sharp, short call notes. Uses a rattle call for territorial defense and other aggressive encounters.
SONG: A one-pitched musical trilling.
NEST: The female gathers and builds a deep open cup nest with grass, plant stems and fibers, bark strips, pine needles, twigs, and fine roots, binding them together with spider or caterpillar silk and lining the nest with feathers, hair, and plant down.
EGGS: 3 - 5 white, grayish, or greenish-white eggs with brown speckles.
INCUBATION: 10 - 13 days.
NESTLING PHASE: 10 days.
They forage slowly on tree trunks and branches by poking their bill into pine cones. They also find food by searching for it on the ground.
The oldest recorded Pine Warbler was a female, and at least 7 years, 10 months old.
SOURCES:
https://www.birds-of-north-america.net
https://en.wikipedia.org
https://www.allaboutbirds.org
https://www.sdakotabirds.com