Whether they’re opening for takeoff, spreading wide for a lazy soar or flapping to brake for landing, bird wings make flying ...
WATCH: 'Pirate Birds’ of the TropicsOn this remote island in Costa Rica, a wildlife sanctuary protects nesting grounds for the Magnificent frigate bird, also called pirate birds. Witness the ...
Frigatebird paths (orange ... from GPS trackers to loggers measuring the beating of the birds' wings as well as heart rate, the researchers were able to gain insight into the phases of flight ...