Adult: dark gray face and breast (slightly paler throat) contrasts sharply with bright yellow belly ... and ash-throateds are like the great crested’s but overall paler and lack broad white ...

The great crested has a darker gray face and breast; olive wash on sides of breast; broad white edge to innermost secondary; all-rufous inner webs of tail feathers; orange-yellow mouth lining ...

That's why I went on high alert when I heard the great crested flycatcher, a migratory songbird ... I can see its lemon-yellow belly and olive-brown head with fluffy crown feathers resembling ...