NPSpecies

Present April - September (Witt 1997).

Native to Maine (Palmer 1949) and North America (Long 1981).

Very common to abundant spring through fall (Witt 1997).

Park Species Detail: Sharp (1997) Recorded from within park boundaries during the Breeding Bird Survey conducted June 1996. Long (1987): Common on MDI, generally nesting in bird houses. North and Chidester (1986) Observed from Jordan Cliffs between July and September 1986. Russell (1984?) common to abundant spring through fall. A peak fall count of 1,000+ over Bass Harbor Marsh on 29 August 1963 (W. Mann et al.). Virtually every fresh water pond and flowage has one or more pairs. They nest on all islands where nesting holes are available. Duley and North (1984) observed at Jordan Cliffs between May and September 1984. Bond (1969) common swallow of MDI. Davis (1961): Observed or heard from his spruce/fir study plots within the park on MDI during the summer of 1959. Bond (19??) common summer resident; 1 or more nests have been found. Tyson and Bond (1941); Common summer resident on MDI; nesting on MDI in Town Hill. Sullivan (1940) Tree swallows observed at Bar Harbor on 20 November 1939 in the company of a Dickcissel. Sullivan (1937): Abundant summer resident from April to September; nested in large numbers in the town of Bar Harbor in the summer of 1927. Anthony (1933): 9 banded at Great Head between 12 August 1929 and 26 June 1933. Eliot (1931): Uncommon in the Northeast Harbor area during June 1931; only 5 pairs reported. Also observed on MDI by Mr. And Mrs. C.R. Robbins on 1 June 1916. Reiche and Burton (1924) observed or collected in the Oak Meadow region east of Newport (=Champlain) Mountain between 1 July and 8 August, 1924. Allen (1899): common on MDI between 1880 and 1899., Park Species Data Source: Witt (1997); Sharp (1997); North and Chidester (1986); Russell (1984?); Duley and North (1984); Davis (1961); Anthony (1933); Reiche and Burton (1924)