Among the more notable coastal experiences were a fortuitous encounter with a seasonally unusual Glaucous Gull and the chance to leisurely observe several low - foraging Black Swifts on Whidbey Island. (massaudubon.org)
As it spreads north, its hybridization with Glaucous - winged Gull is likely to increase still further. (climate.audubon.org)
Confined to tropical Africa and Madagascar, species from this genus all share similar features such as a typical climbing habit and bluish - green or glaucous leaves. (sciencedaily.com)