chirrup

Musicians have long incorporated nature's sounds into their music - think of the chirruping in The Beatles' "Blackbird", or the rain falling in "Riders on the Storm" by The Doors.

During trials, a lone bat had taken an unexpected test flight through the curtain of water before returning to the colony, chirruping away, he said.

The chirrup or trill greeting is a melodious sound that cats make when saying hello to preferred individuals.

Or rather, she was waving her phone, trying to get a bird song identification app to pick up chirrups from the surrounding trees.

However, on this occasion, the credits rolled to the softest of chirrups, following a tribute to Helen McCrory.