The crossword

SPOT THE DIFFERENCE The striking-looking lionfish uses its outstretched fins to corner and ambush its prey. Unfortunately, it is now an invasive species in the Atlantic, competing with vulnerable native species. Can you spot the five differences between the images? You can find the answers in ‘Your Letters’. PHOTOS: GETTY

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Emmanuel Rondeau on pouncing tigers and vanishing vultures

Your letters

The North York Moors are a bird-lover’s paradise

Next month: Roe deer

NEXT MONTH Delightful footage of a roe deer mother bringing up her fawns in a cemetery features in Wild Isles – the new five-part series coming to BBC One this spring that showcases the natural wonders of Britain. Photographer Jules Cox studied the family for a period of four years and shares his portfolio of […]

News in brief

News in brief Dolphin dementia A European Journal of Neuroscience study on stranded dolphins has shown brain changes in aged dolphins similar to those seen with human ageing and Alzheimer’s disease. The results could support the ‘sick-leader’ theory, by which a healthy pod of animals find themselves in shallow waters after following a group leader […]

News: Up – Down

Big cat bill Efforts to curb private ownership of big cats, such as lions and tigers, have increased following the hit Netflix series Tiger King. The Big Cat Public Safety Act, a bill revising the requirements governing the trade of big cats in the USA, passed by unanimous consent in the Senate. It was signed […]