The Lagoon is home to various waterbirds throughout the year. Oystercatchers and little grebes breed here in the spring and summer. An artificial sand martin nesting bank attracts good numbers of breeding birds. In winter wigeon, pochard, goldeneye and goosander can be seen.
The Duck Marsh was redeveloped in 2021 to include a series of shallow graded spits and islets which has since attracted little egret and grey heron throughout the year. Lapwing and oystercatcher are present during spring and early summer and in addition little ringed plover has been the commonest small wader since the redevelopment.
Sedge warblers, reed warblers and reed buntings breed in the Reedbed in spring and summer. Kingfishers can be seen on all the wetland areas throughout the year.
Constructed in 2012, the Fish Pass was designed to allow native fish such as brown trout and European eels in the River Aire to pass around the barrier posed by the 1.8m high weir on their migration journeys.
The Wet Grassland provides ideal breeding habitat for reed buntings, reed warblers, sedge warblers, little grebe, coot and moorhen. Snipe and teal can be found here in the autumn and winter months and water rails are present throughout the year.
In early summer at the Dragonfly Ponds look for Large Red, Azure and Blue-tailed Damselflies along with Banded Demoiselles, Broad bodied and Four- spotted Chasers, Emperor Dragonflies and Southern Hawkers. Later in the summer Brown and Migrant Hawkers and Common Darters can be seen.
Various species of birds breed in the Woodland Coppice including willow warbler, garden warbler, chiffchaff, blackcap, common whitethroat, bullfinch and song thrush.
Bird-friendly seed crops grown on Tim’s Field bring in flocks of linnets in the autumn and winter months together with reed buntings and chaffinches.
Enjoy a walk through the Wildflower Meadows on well cut paths in the summer months to see many species of wildflowers and butterflies.
Watch typical garden birds at the feeders in the Manager’s Garden from the hide. Reed buntings and sometimes tree sparrows visit in the winter months. Little owl can also be seen from the hide, occupying the northern boundary trees. Two large ponds on a raised mound in the Poplar Field attract amphibians in the spring and breeding dragonflies in the summer. Scan the row of poplars at the northern end of the field for redwings and fieldfares in the winter.
Various warblers breed in the Poplar Carr and woodcock can be found here some winters. There is no access to the area but there is a viewing point overlooking it at the top end of the John Ackroyd Meadow.
The Scrubland is a wild area at the eastern end of the Reserve. Common whitethroats breed here in the spring and summer and it is a popular hunting area for raptors throughout the year. It is best viewed from the Riverside Path.