A month or more ago we began hearing a new bird call near our house. Day or night, sometimes in the wee small hours, this bird will call a pattern of four notes, three times. Quite loudly. Then we won't hear from it for a while. There is a couple of curious things about this bird (which I haven't actually seen yet). One thing is that it sings at the most, once an hour. Sometimes we won't hear it for a few hours and then there it is. Another odd thing about the bird is that it unerringly calls at 13 minutes to the hour every time. EVERY TIME. No other time. We have noticed it always calls at 10:47 pm. Always. Never misses.
And no, it is not a neighbours cuckoo clock!!

This is a real live bird in the trees within 20 meters of the house. Sixty feet. Its call last for so short a time I can never exactly pinpoint it. But I reckon its on a nest and soon there will be some frenzied feeding going on and we'll see it. Maybe get a picture.

Anyone else ever experience such precision in your local wildlife? I've never seen this before. You could set your clock by this bird.

How interesting!! I am now going to sit on pins and needles until you figure this out. I have a bird clock..not a cuckcoo clock, but one that has a certain call on every hours. Different on every hour I should say. Please keep us posted on anything that you discover about this bird.

I have a family of Blue Jays that come everyday about the same time and do just about the same thing everytime..can almost tell you what they will do next..but they do not seem to have a call that I am able to pinpoint yet.

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Sandalwood's Cosmic Creations: Working with the magic of love....

We have some Stellar's Jays here in the neighbourhood and I'm pretty sure it isn't them. I could be wrong though. It doesn't sound like any Stellar's Jay song I've heard. It just called again a few minutes ago. If I ever discover what bird it is I will definitely post it here.