Originally built to serve the canal system, the reservoirs have become one of the best birdwatching spots in southern England.
Tring Reservoirs is a group of four reservoirs close to the border of Hertfordshire and Buckinghamshire, England. Their purpose is to feed the Grand Union Canal.. The College Lake has a visitor centre.
[ Cassiobury Park LNR, Broadwater Lake, Stocker’s Lake, Rickmansworth Aquadrome, Long Deans, Longspring Wood , Alpine Meadow, Stocking Springs Wood, Hilfield Park Reservoir, Tring Reservoir, Cemetery Pond life, Herons, Woodland ]
Spring: Osprey, sand martin, swift, yellow wagtail.
Summer: Common tern, great crested grebe, hobby, reed and sedge warbler.
Autumn: Golden plover, lapwing.
Winter: Bittern, jack snipe, pochard, shoveler, teal.
Wilstone Reservoir is a very important wildfowl sanctuary, and many rare species dwell here, as well as on the other three reservoirs.
These include Atlantic Canada geese, bittern, blackcap, black-headed gull, black-necked grebe, black-tailed godwit, black tern, blue tit, Cetti’s warbler, common chiffchaff, corn bunting, common crane, common sandpiper, common scoter, common snipe, common teal, common tern, coot, curlew, curlew sandpiper, dabchick, dunlin, dunnock, Egyptian geese, Eurasian wigeon, gadwall, garden warbler, garganey, great crested grebe, great spotted woodpecker, green sandpiper, greenshank, green woodpecker, grey heron, greylag geese, hobby, jay, kingfisher, lapwing, lesser whitethroat, linnet, little egret, little grebe, little ringed plover, mallard, Mandarin, marsh harrier, marsh tit, Mediterranean gull, moorhen, mute swan, northern pochard, northern wheatear, nuthatch, osprey, oystercatcher, peregrine falcon, pied flycatcher, pintail, red-crested pochard, red kite, red knot, redshank, reed warbler, ruff, spotted flycatcher, sand martin, Savi’s warbler, sedge warbler, shelduck, shoveler, sinensis cormorant, spotted crake, stock dove, swallow, swift, tawny owl, treecreeper, tufted duck, water rail, whimbrel, whooper swan, willow warbler, yellow-legged gull, and yellow wagtail.