Papo Grey HeronPapo Grey Heron Papo Model 50274 Product Dimensions: 5. 1 x 1. 8 x 4 cm Age: 3 years and up Grey herons are predominantly grey. Adults have white heads with long black feathers extending from the eyes to the neck, in the form of a large, impressive crest. Young birds have a crown of grey feathers up until their first winter, then they start to develop the adult's white forehead and black crest. They have yellow bills for most of the year, gaining an