Quizzes & Puzzles0 min ago
Swifts.
3 Answers
i notice they are back again. the amazing thing about these birds is that they always arrive back in Britain on the 22nd of May.(i think) regardless of weather conditions, they get here on the same date, year after year.
i can sort of understand the homing thing in birds, but to work to a calender is almost beyond belief.
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