bluetits perched at their nest hole

animals attracting avian bird birding birdlife birds birdwatching blue bluetit bluetits branch british call chicks collecting defending encroaching feathers female field food forest garden growing hole hunting image images its lesser male mate mating moorland natural nature nest nesting oak ornithology park perched picture plumage portrait post searching singing snow snowy songbird spring territory their tit tree upland watchers watching wild wildlife winter woodland woods yorkshire