We got to study the birds coming down to gather mud and flying back up to the eaves of the barn. The close looks provided a great study of the all the field marks of the bird from the white forehead to the orange rump. The birds were coming and going so quickly, but in most instances when they landed on the ground there was lots of wing fluttering going on.
Checking Birds of North American online, the following reference explains this wing fluttering: "When gathering mud, both sexes flutter wings above back to prevent being attacked by males seeking EPCs (Extra-Pair Copulations) (Butler 1982b, Brown and Brown in press; see Agonistic Behavior). "
From a distance it all looked rather chaotic, and in some of the shots it was hard to tell just how many birds were on the ground at once. This is a very large colony, with over 150 nests, so there was definitely a lot of activity. I sometimes wonder about the safe dates for the atlas. Here I am in the northern Berkshires watching Cliff Swallow construct their nests at a known nest colony site, yet the safe dates say I shouldn't count "probable" behavior until May 25th or later. I sincerely hope that some of the data that's being submitted from the central and western parts of the state help to shift the "eastern bias" that can be found in a lot of the historical information we've always accepted regarding birds in Massachusetts.
One of the other notable birds back on breeding territory was this very vocal Savannah Sparrow. It seemed that all the rolling farm fields had several territorial singing birds.Regardless of what you call it or why the birds are hanging around there, can you imagine waking up in the morning and looking out your back window to see a line of 10+ vultures on your back fence?
We did stop at a couple of the WMA's in the block. And at one field, I flushed up a lone Turkey Vulture from the ground. He didn't fly far but I didn't approach too closely since there was definitely something dead nearby that had his attention.
















