Black Brant at Cley with Dark-bellied Brent Geese - video best viewed in HD at 1080p. Note the chocolate-brown tone to the upperparts.
|Black Brant x Dark-bellied Brent Geese hybrids at Holkham - with slightly duller flanks than pure Brants as well as slightly smaller collars and a greyish wash to the upperparts. For more on hybrids check out this Birding Frontiers post.|
|Dark-bellied Brent Geese|