Walthamstow Reservoirs
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'''Access''' | '''Access''' | ||
| - | The main entrance is on Ferry Lane N17 where there is a car park, and space for locking bicycles. Permits for birding purposes can be obtained at the gatehouse for | + | The main entrance is on Ferry Lane N17 where there is a car park, and space for locking bicycles. Permits for birding purposes can be obtained at the gatehouse for £1 per person per day, or £10 for an annual permit (this also entitles you to a key for the East Warwick hide and to King George V Reservoir a few miles to the North, as well as four other Thames Water sites - see [[Noticeboard]]). Whilst at the gatehouse, it is worth checking the log book to see if anything interesting has been seen recently. The nearest tube stations are Blackhorse Road and Tottenham Hale, both a 5 minute walk away. The complex is managed by Thames Water, and very popular with anglers. |
'''Description''' | '''Description''' | ||
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With this group of reservoirs lying next to the river Lea [being part of the Lea Valley Regional Park], it is likely that birds use the river for navigation, and therefore anything can turn up. There did used to be quite a sizable flock of Tree Sparrows frequenting the centre of the site [near the island with breeding herons], but they died out during the mid 1990s. Other small birds to keep an eye out for are Wheatears, Whinchats and Stonechats, but it is also worth grilling any pipits and larks for waifs and strays. | With this group of reservoirs lying next to the river Lea [being part of the Lea Valley Regional Park], it is likely that birds use the river for navigation, and therefore anything can turn up. There did used to be quite a sizable flock of Tree Sparrows frequenting the centre of the site [near the island with breeding herons], but they died out during the mid 1990s. Other small birds to keep an eye out for are Wheatears, Whinchats and Stonechats, but it is also worth grilling any pipits and larks for waifs and strays. | ||
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| + | There is now an intermittently updated blog for this site at: http://walthamstowwildlife.blogspot.com/ | ||
Current revision as of 10:39, 24 April 2009
Location
This group of various sized bodies of water lies north of Stamford Hill, East of Tottenham, south-west of Walthamstow and is bisected by Ferry Lane. The site is also sandwiched between Walthamstow Marshes [to the south-east], and Tottenham Marshes [to the north-west]. There are three reservoirs north of Ferry Lane: Lockwood, High Maynard and Low Maynard; and seven on the south side - Numbers 1-5 plus East and West Warwick.
Access
The main entrance is on Ferry Lane N17 where there is a car park, and space for locking bicycles. Permits for birding purposes can be obtained at the gatehouse for £1 per person per day, or £10 for an annual permit (this also entitles you to a key for the East Warwick hide and to King George V Reservoir a few miles to the North, as well as four other Thames Water sites - see Noticeboard). Whilst at the gatehouse, it is worth checking the log book to see if anything interesting has been seen recently. The nearest tube stations are Blackhorse Road and Tottenham Hale, both a 5 minute walk away. The complex is managed by Thames Water, and very popular with anglers.
Description
The larger reservoirs are typical in having concrete banks and, at first glance, offer little to tempt any passing migratory wader. The other lakes have the appearance of those you are left with after gravel extraction has taken place.
Although a visit at any time of year can be rewarding, the site can be quiet in the summer except for the large numbers of breeding Cormorants, Grey Herons, Tufted Ducks, Lesser Black-backed Gulls and Common Terns. The reservoirs hold nationally important numbers of Tufted Duck in the early autumn during July to early September their numbers will peak at about 2000!
In winter, relatively large numbers of ducks and geese can be present, and it is always worth checking the adjascent filter beds on Coppermill Lane for gulls. The best time for Mediterranean Gull is March and November for Yellow-legged Gull, though both have been known to overwinter. There are a number of islands, each with its own character. The island on East Warwick usually holds breeding Lesser Black-backed Gulls and Herring Gulls, and Common Terns can be found on several purpose-built rafts around the site in summer; the island is also a favoured spot for Lapwing. Reservoir Nos.1 and 2 hold the famous heronry, nesting beginning in early February; No.1 island held London's first breeding Little Egrets in summer 2006, with two pairs in summer 2007. The island on the No.5 holds the even more famous Cormorant colony - the population numbers around 300 pairs, with most activity from late February to late July.
If you wish to see passage waders however, it is worth visiting the site at first light, as they do have a habit of disappearing after flushing. If a reservoir is drained anything could occur. Note that during persistent rain, waders appear throughout the day. If you fancy your chances of finding a scarce Diver or Grebe, keep your eyes open: the last Black-throated Diver crashed into pylons and landed in the Coppermill Stream, beside the Low Maynard.
With this group of reservoirs lying next to the river Lea [being part of the Lea Valley Regional Park], it is likely that birds use the river for navigation, and therefore anything can turn up. There did used to be quite a sizable flock of Tree Sparrows frequenting the centre of the site [near the island with breeding herons], but they died out during the mid 1990s. Other small birds to keep an eye out for are Wheatears, Whinchats and Stonechats, but it is also worth grilling any pipits and larks for waifs and strays.
There is now an intermittently updated blog for this site at: http://walthamstowwildlife.blogspot.com/
