Three Black-Crowned Night Heron birds were seen together (within 10m) at the seashore. Will the following be a female or simply a juvenile? How can it be identified?
Its size was between the sizes of the following two. But it was definitely "much" larger than the juvenile.
![](http://210.17.171.128:3880/BirdWatching/Black-Crowned_Night_Heron_20100724/P1030762-s.jpg)