Fairly common residents.

Jackdaws suffered less persecution than other members of the Crow family during the nineteenth century and, were at that time considered common as breeding birds in Hertfordshire.

Large numbers of Jackdaws, Rooks and Carrion Crows gather and roost in Fairlands Valley in the evenings. The largest flocks of Jackdaws seen there are 950 on 6 February 2017 and 1000 on 9 December 2023. 1000 were also seen at the adjoining Monks Wood on 29 November 2024.

A flock of 65 was seen at Chells on 3 December 1972 and, 320 were at an unrecorded location on 25 February 2015.

The 1973 Breeding Atlas confirmed breeding from eight of Stevenage’s tetrads, the 1992 Atlas from 10 and, the 2012 Atlas from four.

The Common Bird Census at Watery Grove recorded them as holding two territories in the 1990 breeding season, and as being present in the 1993 and 1998 seasons.

Young birds were seen at Astonbury Wood in 2024 indicating breeding in the wood.

A bird with a coloured ring B6A that was ringed at Benington on 11 June 2021 as at least two years old was seen in an Edmonds Drive Garden on 10 June 2025.

The 2012 Winter Atlas confirmed their presence from all 11 of the tetrads covering Stevenage.

Ringed bird B6A