As many said at the time, bird song did sound different during lockdown, according to a scientific study. By analysing the calls of sparrows ... The white-crowned sparrow, which has distinctive ...

If you’re a beginner birder, how can you tell if it’s a robin or sparrow or ... forward by adding one call at a time.” To ...

7 of Hong Kong’s endangered species A call is acoustically simpler than a song, and usually ... of calls and songs your pet bird or friendly neighbourhood sparrow might be using.

Saltmarsh sparrows are known for their whisper-like song and promiscuous mating ... soft-spoken birds I call neighbors,” said Kurose. “If the Service acts fast to protect the saltmarsh sparrow and its ...