U.S. Navy Boatswain's Mate 1st Class Carlglo Rula directs an MV-22 Osprey tiltrotor aircraft attached to Marine Medium… https://www.rawpixel.com/image/3318226/free-photo-image-armored-aircraft-airfieldFree Image from public domain licenseA banded piping plover chickPhoto courtesy of Joel Trick. Original public domain image from Flickr https://www.rawpixel.com/image/4028478/photo-image-baby-bird-summerFree Image from public domain licenseNEW LONDON, Conn. -- U.S. Coast Guard Barque Eagle arrives in New London, Conn., Aug. 8, 2014. U.S. Coast Guard photo by… https://www.rawpixel.com/image/5977258/photo-image-public-domain-person-birdFree Image from public domain licenseNew London Coast Guard City celebrationThe figurehead of the Coast Guard Cutter Eagle is seen in New London, Conn., Aug. 14… https://www.rawpixel.com/image/5976847/photo-image-public-domain-gold-birdFree Image from public domain licenseA U.S. Coast Guard MH-60 Jayhawk helicopter based at Coast Guard Station Astoria, Ore., lifts a pilot assigned to the 123rd… https://www.rawpixel.com/image/3318650/free-photo-image-helicopter-aircraft-animalFree Image from public domain licenseA drone shot of two horses grazing close to each other. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3287122/free-photo-image-accipiter-algae-animalFree Image from public domain licenseNesting grounds of the Royal Albatross on Forty-Fours Islets, Chatham Islands (1934) by Allan Wotherspoon. https://www.rawpixel.com/image/13030259/image-plant-person-grassFree Image from public domain licenseRing-billed gull at Shiawassee National Wildlife RefugePhoto by Jim Hudgins/USFWS. Original public domain image from Flickr https://www.rawpixel.com/image/4028761/photo-image-bird-natureFree Image from public domain licenseTrumpeter swans flying over a pond at sunrise by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038693/photo-image-plant-bird-natureFree Image from public domain licenseThere are few stretches of the Australian coastline where the Crested Tern cannot be seen — it has been known as both… https://www.rawpixel.com/image/4023506/photo-image-plant-bird-natureFree Image from public domain license[Untitled photo, possibly related to: Frank Mineo, owner of the Alden, climbs to the crow's nest to sight the mackerel… https://www.rawpixel.com/image/12296998/photo-image-sky-technology-animalFree Image from public domain licenseSome of the two thousand poulets on the poultry farm of Mr. August Udal, Finnish [Estonian] FSA (Farm Security… https://www.rawpixel.com/image/12279283/photo-image-animal-public-domain-birdFree Image from public domain license[Untitled photo, possibly related to: Aboard a trawler. Selecting fish and cutting off heads. Only mackerel, whiting and… https://www.rawpixel.com/image/12271499/photo-image-person-ocean-animalFree Image from public domain license[Untitled photo, possibly related to: Parris Island, South Carolina. U.S. Marine Corps glider detachment training camp.… https://www.rawpixel.com/image/12288770/photo-image-cloud-sky-planeFree Image from public domain license[Untitled photo, possibly related to: Old Yankee farmer, has a small farm with a subsistance garden and some turkeys. Near… https://www.rawpixel.com/image/12277994/photo-image-dog-plant-personFree Image from public domain licenseOn board the fishing boat Alden out of Gloucester, Massachusetts. Sea gulls following the Alden at mealtime to pick up food… https://www.rawpixel.com/image/12296781/photo-image-person-sky-oceanFree Image from public domain licenseParris Island, South Carolina. U.S. Marine Corps glider detachment training camp. Glider planes in flight. Sourced from the… https://www.rawpixel.com/image/12287344/photo-image-person-sky-planesFree Image from public domain license[Untitled photo, possibly related to: Aboard a trap fishing boat. The deck of the boat on the way home. Provincetown… https://www.rawpixel.com/image/12253220/photo-image-person-sky-beachFree Image from public domain licenseFrank Mineo, owner of the Alden, climbs to the crow's nest to sight the mackerel school. Gloucester, Massachusetts. Sourced… https://www.rawpixel.com/image/12296999/photo-image-person-sky-animalFree Image from public domain license