Several Tree Swallows have returned to Swan Harbor in Harford County, MD. I saw this first bird on April 1st, 2006. (no foolin')

The next bird was also at Swan Harbor, on April 15th, 2006.

This one was at Swan Harbor on April 28th, 2006.

I saw many tree swallows at Bombay Hook NWR, DE on April 8th, 2007.

Joyce and I saw several Tree Swallows at Harford Glen on April 20th, 2008.

I saw a few more tree swallows at Harford Glen on April 4th, 2009.

This bird perched on a nest box in the pond at the Susquehanna State Park picnic area on May 9th, 2009.

A small group of Tree Swallows flew over the ponds at San Joaquin Wildlife Preserve in Irvine, CA in late January 2010.

This bird was on the same nest box in Susquehanna SP as described above, but on May 8th, 2010.

A pair of Tree Swallows was building a nest in a tree cavity about three feet from the top of one of the observation towers at Bombay Hook NWR, DE. This male stood watch until the female flew back with some nest material. We saw this during a bird club trip on May 29th, 2010.

We saw this bird at Harford Glen on April 30th, 2011.

This Tree Swallow posed for photos atop a Wood Duck box in the picnic area lake at Susquehanna State Park on May 7th, 2011.

This bird peeked out of a nest box at Bombay Hook on May 30th, 2011.

This one perched on the railing around the new impoundment at Swan Harbor on April 24th, 2013.

I saw this one peeking out of a nest box at Bombay Hook on May 22nd, 2013.

These were on a nest box at Swan Harbor Farms on April 19th, 2014.

I saw these at Harford Glen on July 6th, 2014.

This one was at Bombay Hook on May 24th, 2015.

I saw this swallow in a tree hole near the Bombay Hook Boardwalk Trail on May 15th, 2016.

This one was at Susquehanna State Park on May 7th, 2017.

This bird was at Bombay Hook NWR, DE on June 7th, 2020.

I saw these there on June 19th, 2023.