Since we moved here in 1987 and up into the early 2000s, we used to get 12-14 nests in our barn.Each would have two broods. In the last 5-6 years the number of birds returning has been fewer & fewer each year. Two summers ago we only had one brood per nest (instead of the usual two). Last year we only had 4 nests and only two of those had a second brood.
A sad observation. What can we do as caretakers of their barn ?
Caledon East, ON
Latitude: 43.9 Longitude: -79.8
Observed by: Anne
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