Jays are very noisy during the winter, but become remarkably quiet during the breeding season. The most common call is a harsh screech (Apr, Herts).
Chirping vocalizations (pair, April, Herts).
Buzzard imitation (April, Herts).
Magpie, the most commonly heard call (Dec, Herts).
Another common call (April, Herts).
A quieter call by a bird in an incomplete nest (April, Herts)
Rattle and other calls, by four birds (April, Herts).
Jackdaws in flight (Apr, Herts).
Jackdaw in flight (Apr, Herts).
A Jackdaw roost before dawn (Carrion Crow at 6-9s, Apr, Suffolk).
Rooks at a rookery (Apr, Suffolk).
A few higher calls in with the caws sound a little like Jackdaws
Carrion Crows have a variety of caws, amongst other vocalizations (Apr, Herts).