Recently I can add a fifth, one that I hope becomes more frequent: 5) rare bird sightings.
I was at my desk Tuesday morning when Tom Johnson, who normally calls me at home about birds I can't get away to chase, called to tell me a Little Blue Heron was standing a couple hundred yards away from my desk. That I can chase.
I grabbed my bins and my camera and joined a handful of other Lab employees watching the snow white heron forage at the edge of the Fuller Wetlands in Sapsucker Woods.
Immature Little-blues are white while adults are slate-blue.
This distinct difference in color morphs makes it unique among
heron species, and it leads to easy misidentification of young ones.
This distinct difference in color morphs makes it unique among
heron species, and it leads to easy misidentification of young ones.
Though a bird typically found in the south-eastern and south-central parts of the U.S., Little Blue Herons are no stranger to our area. They make appearances well away from their breeding grounds, mostly during bouts of post-breeding dispersal. From the BNA Online:
Postbreeding dispersal of nestlings and adults from colonies is relatively random; movement initially is in all directions, but frequently northerly. Some birds disperse northward, especially along the Atlantic Coast, before they move south during migration.
Birds may wander quite a distance away from their breeding areas as shown below. While not expected, it's not uncommon to find a bird anywhere south of the dashed line.
What makes this one extra-special is its November appearance. Wandering birds typically start heading south in mid-September and mostly depart their northern range by mid-October. Since its discovery it's been observed at Sapsucker Woods daily, including this morning. If you are in the area, swing by for a look!
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1 comment:
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