云雀
The main trails at St Aidan's pass through a variety of habitats including reedbed, wetland, meadows and woodland. St Aidan's is home to many species of bird including the Eurasian bittern, little owl, western marsh harrier, and Eurasian skylark. Breeding birds on the site include one of the rarest in the UK, black-necked grebe with around 25% of the national population which nest, for protection, near the one-thousand pairs of black-headed gull. Northern lapwing and common redshank also breed.