From my most recent report:
The not-so-good news is that five of our boxes showed no evidence of incubation, with eggs that had been laid four weeks prior — so we cleaned out those boxes. The much-better news is that we have new nests started in box #6 and our studio apartment, box #5. Box #6 would be a second brood, if it comes to term — it’s only one egg at present. We also have two, possibly three, nests still incubating.
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A recent BirdNote featured Frank Bellrose and one of our favorite ducks: https://www.birdnote.org/show/frank-bellrose-and-wood-ducks