1250860 Mergansers?

1250860  Mergansers?

Observation - 1250860 Mergansers?. Description: Difficult to see colours against the light, but they appeared to have black heads and bill, white neck, rust coloured breast. Untidy tufted crest. Seen in choppy waters of River Exe estuary. Could the second photo be the same bird in flight?

Difficult to see colours against the light, but they appeared to have black heads and bill, white neck, rust coloured breast. Untidy tufted crest. Seen in choppy waters of River Exe estuary. Could the second photo be the same bird in flight?