A complementary feed for wild birds. Look out for:. Great spotted woodpeckers. Greenfinches. Great Tits. Blackbirds. Did you know? the wren is the UK's most common bird!. High in fat suet pellets are an ideal source of energy, which is often in short supply. Especially in cold weather, birds need this energy to survive, and to help them breed. Flavoured with peanuts and mealworms. Will attract a range of species.