Glad you've got your very own blackbirds Snadger.
TIP - when you're trying to capture a bird that's trapped indoors, use a towel (or your Tshirt) like a net, and throw it over it. Much easier than trying to catch it in your hands and safer for the bird.
And blackbirds love a bath. If you put out a tray of water they'll come for drinks and climb in for baths. Enjoy !

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From each according to his ability, to each according to his needs.