Introduced by Andy Crane.
Caterpillar Trail
Stuart Bradley visits Liverpool and finds out which birds like living in cities. Nicola Davies checks in the cellar for signs of wildlife and Dr Martha Holmes discovers what we're doing to our beaches.
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Introduced by Andy Crane.
Caterpillar Trail
Stuart Bradley visits Liverpool and finds out which birds like living in cities. Nicola Davies checks in the cellar for signs of wildlife and Dr Martha Holmes discovers what we're doing to our beaches.
BBC One
