This is a small selection of the resources online.
If you are unsure of the species or can’t identify it, try iSpot, where you can upload images so an expert can identify it for you. There's a useful app too.
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Bats (all species are protected). Try to record their flight pattern, i.e. flitters like a butterfly or flies low over the water, as this can help identify a species. Or collect their droppings for DNA identification!
- Snakes and lizards
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Insects, spiders and other invertebrates (basic guide).
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Detailed ID info on dragonflies, bumblebees and butterflies.
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Birds. See the official list of threatened species, which includes the starling, house sparrow, tree sparrow, mistle thrush, song thrush and skylark.