gull billed tern or the gelochelidon nilotica on blue sky background

abstract agricultural animal animals arctic art background backwaters beak beautiful beauty bill billed birds birdwatching black blue brake bright color colorful decoration decorative dependent design elegance elegant element exotic fauna feather featuring feed field fields flight fly flying foraging freedom gelochelidon green gull highness iceland isolated kollam natural nature nilotica ocean ornithology paradisaea seabird sky sterna summer tern terns water white wild wildlife wing wings