A garden bird feeder only earns its keep if refilling it is quick enough that you actually bother, which is most of the argument for one built around a jar you slot in rather than loose seed you pour.

This feeder is designed to hang on a tree or bird table; you remove the lid of a bird butter jar and slot it straight in as a tight fit, then let the birds feed. It's paired here with a mealworm and insect bird butter made from wheat flour, peanut butter, beef suet, seed mix, turmeric (as a natural colourant), dried mealworms and black soldier fly larvae powder, with 375G in a jar, 29% crude fat, 8% crude protein, 3% crude fibre and 1% crude ash.

• Reusable feeder built for jar-style bird butter
• Hangs on a tree or bird table
• Mealworm and insect butter: wheat flour, peanut butter, beef suet, dried mealworms, black soldier fly larvae powder
• Crude fat 29%, crude protein 8%, crude fibre 3%, crude ash 1%
• 375G jar

Feeder and filling are sold together here, but not tied forever. The feeder itself takes any of the brand's bird butter jars as a tight fit, so once the 375G jar is empty, it's the jar that gets replaced, not the whole feeder.

Who it's for: garden bird feeders wanting a quick jar-swap system over loose suet blocks or seed that needs topping up and cleaning out more often.