The first Baltimore orioles are reaching Texas, and by month's end, a few are reaching the central states. On their breeding grounds in eastern and east-central North America, youll most often find Baltimore Orioles high in leafy deciduous trees, but not in deep forests; they prefer open woodland, forest edge, river banks, and small groves of trees. Baltimore Orioles have adapted well to human settlement and often feed and nest in parks, orchards, and backyards. Baltimore Orioles are basically solitary outside of their mating season. Northern Orioles measure 7 - 8 1/2 inches long. Baltimore Orioles spend summer and winter in entirely different ranges. Fun to watch them all! Look for orioles in open woodland, the forest’s edge, in groves of trees in fields, and along riparian areas. Their breeding range expands from Nova Scotia west to a small area in British Columbia. From early April to late May, flocks arrive in eastern and central North America to breed from Louisiana through central Canada. Sharing the grape jelly with the Baltimore Orioles. They also forage for insects and fruits in brush and shrubbery. When do orioles migrate? This particular Oriole bird is found east of the Rockies.Its western counterpart; the Bullock's Oriole, is similar in appearance.The male has an orange face, black eyeline and a large whitewing patch.Th… Baltimore orioles (Icterus galbula) and Bullock's orioles (Icterus bullockii) are migrating birds found throughout North and Central America, with a few in northern South America. In my last post, Good Birding Report: London, Ontario April 17-24, 2020, I mentioned the migration floodgates are about to open.Here in London, I typically see my first oriole and hummingbird by May 5 each year. Look way up to find these singers: the male’s brilliant orange plumage blazes from high branches like a torch. Saw one over a week ago when the Orioles first appeared. Most fall migration occurs from late August to early October. Bullock's orioles are starting their migration through southern Arizona and California and up the coast. Using data from the federal Breeding Bird Survey (BBS), biologists have estimated the global breeding population of the Baltimore Oriole to be 12 million breeding birds, 9.7 million of which occur in the United States (Rosenberg et al. Range: Baltimore orioles return from their wintering grounds in Mexico or the southern coast of the United States to their Canadian breeding grounds in spring. In July orioles become more elusive. That’s why the natural sugars found in grape jelly and oranges are so desirable. Placing a feeder out now will help attract them to your yard upon their arrival. Baltimore and Orchard Orioles are especially fruit-hungry just before fall migration. The range of this bird overl… Baltimore Orioles have been found in Texas as early as March 9, but the bulk of the northbound migrants pass through from mid-April to early May and the latest date for the end of northbound migration is June 29, only a few days before the earliest date for southbound migration, July 4. The Baltimore Oriole and Orchard Oriole both breed throughout the eastern U.S. and into Canada. These birds are found in the Nearctic in summer, primarily the eastern United States. Usually, have plenty by now, but cooler & wetter than normal weather this Spring may be influencing their arrival. Also report signs of nest-building. They come out again once their feathers have grown back in fully. Colene on May 20, 2019: Just saw are first Rose Breasted Grosbeak this morning in central Michigan.