boat breaker breakers crest foam highlands ocean scotland sea ship spray storm swell water waves wind windy african balearica-pavonina banded beak bird black black-crested-crane black-crowned-crane black-head-patch captive crane crown display displayed displaying distinctive feathers forager golden-head-feathers gruidae gruiformes large long-legged long-necked omnivore omnivorous plumage spreading Sub-Saharan toes trained trees-roosting Ugandan-national-bird vertebrate white wildlife wings wingspan ancient beam crows nest England flagship historical mast Nelson old Portsmouth rigging sailing spar victory animal dinosaur eggs hatchlings head herbivore horns immatures lifesize model mouth reptile sharp Triceratops young curl fold furrow geology line ripple rippling rush slate surge texture tide undulation wavy rock rocks shore