Males arrive on their breeding grounds by mid-April - May, with females arriving about a week later.
Nest building can begin within 1 - 2 weeks after the females return.
A diet of fruit and insects sustains them through breeding season.
Oranges, sugar water, and plain grape jelly attracts them to feeders.
Orioles do not mate for life.
Description: Size, Field Marks, Male Baltimore Oriole
The male Baltimore Oriole measures 7 to 8.5 inches long and is black with orange underparts, rump, shoulders, and sides of the tail. His wings feature two white wing bars.
Baltimore Oriole male: Black and orange, 7-8.5 inches.
