The pendulum of an ornate cuckoo clock is captured in motion. Whether a cuckoo clock has a traditional, carved wood design or is of more modern design, no one can deny that cuckoo clocks are a fun way to tell time.
Scientists and researchers at the British Trust for Ornithology have been monitoring the progress of the cuckoo (not pictured), named Onon after a Mongolian river.
Daily Mail. Wed, 27 May 2020 11:08:44 GMT.
Biologists have demonstrated that 'evolutionary experience' as well as learning protects cichlid fish from the brood parasitism practiced by the African cuckoo catfish.
Science Daily. Wed, 09 May 2018 10:49:51 EDT.