A practical guide to spotting whales, dolphins and porpoises from the UK coast, covering sea conditions, field clues, species profiles and how to report what you see.

Autumn's big tides, clearer water and thinning seaweed make October the best month to explore UK rockpools. Here is what to look for, and how to look without harming it.

A practical introduction to the brown, red and green seaweeds you'll meet on UK shores, plus simple rules for surveying them safely and leaving the shore as you found it.