This afternoon I looked for the Lark Sparrow at Kenilworth Park that Fred
Fallon had reported earlier in the day.  I came up empty.  But I'm not sure
I was in the right spot as I do not know what "ultra-barrierine" means, nor
am I aware of any places where the road makes a right angle bend.

Only sparrow was a Savannah (getting late), plus Blue Grosbeak, American
Kestrel, and 2 adult Bald Eagles flying low over the river.

Great find, Fred!

Good birding,
Paul Pisano
Arlington, VA