Increasing visitor, which has breed.

Foster (1914) described Little Grebes as common at Stevenage.

Increasingly seen at Fairlands Valley Lakes, from where they were first recorded on 8 February 1973. There were a further five records during the 1970s, three records during the 1980s, three records during the 1990s, three records between 2000 and 2009 and, seven records between 2010 and 2019.

Since 2020 the records are: one seen on 21 and 28 September 2020; up to two birds seen between 9 and 15 October 2021; a single bird on 5 November 2021; a single bird seen on several dates from 9 February to 21 March 2022; between one and four birds from 2 September 2022 to 10 May 2023, with two pairs on 30 March 2023; a single bird on 3 and 14 August 2023; a single bird between 11 October and 20 April 2024 (with two birds seen on 9 and 12 March and 5 and 14 April 2024); a single bird between 6 and 8 June 2024; a single bird between 29 July and 29 August 2024; a single bird on 13 September and two on 17 September 2024; a single bird on 1 October and two on 13 October 2024; two on 9 and 18 November 2024; a single bird on 1, 11 and 31 December 2024; a single bird on 1 and 7 January 2025; up to two birds from 24 February to 20 July 2025 (with three seen on 12 March and 29 May); single birds between 7 and 13 September 2025; three on 23 September 2025; two on 25 September 2025; up to two birds between 3 and 28 November 2025.

In 2023 there were two unsuccessful attempts to nest. In 2024 an occupied nest was found but no young were seen. In 2025 breeding was successful with four young raised.

Other records for Stevenage are a dead bird picked up in the Chells area on 25 October 1974; one at Watery Grove in the spring of 1977.

Regular visitor at all times of the year, but mainly in winter and spring, that has bred.

Great Crested Grebes are regular visitors to Fairlands Valley Lakes, having first being seen there on 9 April 1974. There are records for every month of the year. When five were seen on 12 March 1975 it was at that time the largest number recorded in North Hertfordshire. Ten have since been seen on 12 April 2016.

Breeding, and attempted breeding has also occurred at Fairlands Valley Lakes; 1983 (one pair raised one young), 1984 (one pair raised four young, three of which died later), 1990 (one seen, “on eggs” on 21 April), 1992 (one pair, two/three young), 1993 (three broods, five juveniles), breeding recorded between 1994 and 1997, 1998 (attempted pairing and nest building), 2003 (a pair seen displaying between 3 and 15 April),  2004 (one pair bred), 2008 (a pair displaying on 20 April), 2010 (a pair displaying on 22 April), 2015 (three pairs displaying during March and April), 2016 (one brood and a juvenile seen on 12 August), 2019 (bird seen on a nest during August), 2020 (nest with eggs destroyed during June), 2021 (three failed breeding attempts), 2022 (failed breeding attempt).

Whilst juvenile birds have been seen in the breeding seasons of, 2002 (23 and 25 May) and, 2008 (13 June), there are no records of breeding for those years.

Very rare visitor.

One record: one at Fairlands Valley Lakes on 1 April 1996.