What do small birds eat when no seed or grain is available?

The long-running series in which readers answer other readers' questions on subjects ranging from trivial flights of fancy to profound scientific conceptsMany small birds - finches, for example - specialise in eating seeds and grain. Apart from in bird feeders, seeds and grain are only available for a relatively short part of the year, so what do these birds eat the rest of the time?Chris Evans, Earby, Lancashire Continue reading...