Showing posts from March, 2021

Hidden birds

Great Bittern (Martin Kelsey) Birders will know that birding is as much about bird-listening as it is about bird-watching...probably most birds are detected by sound first. So when birds are quiet, their detectability is hugely reduced. Many factors will be at play. The activity patterns of birds vary during the day (and night), small birds are more likely to be calling, singing and actively feeding in the first few hours of the day. Large birds like vultures will be most visible from late morning as the air warms. Detectability will vary by season. I can see one of my favourite birds, the Hawfinch, in the garden throughout the whole year, but in April and early May, they become very hard indeed to find. This is when they are nesting. They must be nesting somewhere close (perhaps even in the garden itself) because a male sings close to house in early spring and a family group with recently-fledged young appear in mid-May. Weather conditions will affect detectability considerably, espec