Report dead wild birds to the Department for Environment, Food and Rural Affairs (Defra) via their website – https://www.gov.uk/guidance/report-dead-wild-birds
If you find or see a ringed wild bird, or find a bird ring, you can report the ring number or colour ring combination to the British Trust for Ornithology (BTO) via their website – https://app.bto.org/euring/lang/pages/rings.jsp
If you see a colour ringed Shag, dead or alive, you can report the ring combination to the U.K. Centre for Ecology and Hydrology (UKCEH) by emailing details to shags@ceh.ac.uk
If you find a dead seal, dolphin, whale or porpoise, report it to the Scottish Marine Animal Stranding Scheme (SMASS) website – https://strandings.org/report/
If you find a stranded live whale, dolphin or porpoise, report it to the Scottish Marine Animal Stranding Scheme (SMASS) website – https://strandings.org/report/
If you find an injured or sick animal, report it to the Scottish Society for the Prevention of Cruelty to Animals (SSPCA) via their helpline on 03000 999 999