The Whatbird engine gets around this issue by presenting a visual interface made up of icons for the field marks. There are icons for colors, shape, family and much more. Each visual selection step narrows the search results to help locate the bird you saw. Try the bird search engine --it currently has over 800 birds in the database.Bird migration is the regular seasonal movement, often north and south along a flyway, between breed wintering grounds. Many species of bird migrate. Migration carries high costuding from hunting by humans, and is driven primarily by availability of occurs mainly in the northern hemisphere, where birds are funneled on to specific …Contains high-quality photos and recordings. Works offline. Cons. Available only for iOS. 2. National Geographic Birds. National Geographic Birds is a much larger database usable by any birder, novice or expert. However, it is the best birding app for individuals with some mid-range experience in the field of birdwatching.Bird Box. 2018 | R | 2h 4m | Dramas. Five years after an ominous unseen presence drives most of society to suicide, a survivor and her two children make a desperate bid to reach safety. Starring: Sandra Bullock, Trevante Rhodes, John Malkovich.