Read “Nature’s long-distance travellers” (page 22–23, February 2023 issue) to complete this crossword.
Type your answers into the boxes. If your word turns green, it means you got it right. If it turns red, you need to try again: you can type over the previous word you entered.
Can’t see all the clues? Just point at the Across or Down list and scroll down to read the rest of the clues.