Red kites, great spotted woodpeckers and pink-footed geese are only a few of the birds doing brilliantly in the British Isles right now. Mark Cocker celebrates their success stories and looks at what might be learnt from them

Whether mutually beneficial or a parasitic nuisance, Nature’s symbiotic relationships are as multifarious as they are marvellous, says John Lewis-Stempel

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Check your answers against our explanations. Remember, there are no ‘trick’ birds or extreme rarities among these...

Karen Youngs is on the lookout for nature’s collectibles during a sunny spring walk

Find out which early species to watch for, how to make your patch more butterfly-friendly and where to record your sightings for science