Mallard, Anas platyrhynchos. Birds swim in a small lake in the middle of a frozen river
Back view of a Mallard Duck looking at the camera, Anas platyrhynchos, isolated on white
Teamwork, collaboration or laboratory tablet in science research, dna engineering or innovation ana
Outdoor, forensic scientist and investigation for clues, team and reading of report, nature and ana
Business, man and research on tablet with whiteboard for strategy, planning and report as trend ana
Buildings of Las Penas District on the base of Santa Ana Hill - Guayaquil, Ecuador
Female Indian Runner Duck, Anas platyrhynchos domesticus, standing, isolated on white
Male Indian Runner Duck, Anas platyrhynchos domesticus, walking, isolated on white
Buildings of Santa Ana Hill and its 444 stairs to the top - Guayaquil, Ecuador
Research or agriculture man on tablet on farm for sustainability, production or industry growth ana
Lighthouse on top of the 444 stairs of Santa Ana Hill staircase - Guayaquil, Ecuador
Science, coaching and woman with man brainstorming, writing on glass in lab with innovation and ana
Male Indian Runner Duck, Anas platyrhynchos domesticus, standing, isolated on white
Male Indian Runner Duck, Anas platyrhynchos domesticus,standing and looking at camera
Plant hit by sunlight at Ana Te Pahu Cave - Easter Island, Chile
Tablet, research and business woman with information technology, software development and night ana
Female Indian Runner Duck, Anas platyrhynchos domesticus, standing, isolated on white
Male Indian Runner Duck, Anas platyrhynchos domesticus, standing, isolated on white
Microscope, woman and research of science study with healthcare, scientist and laboratory work. Ana
Female Indian Runner Duck, Anas platyrhynchos domesticus, standing, isolated on white
Sea Waves at Praia Dona Ana Beach at sunrise - Lagos, Algarve, Portugal
Vertical shot of a yellow-billed duck flying above the water's surface. Anas undulata.
Mallard, Anas platyrhynchos. A female duck floats down a morning river, reflected in the water
A female mallard duck (Anas platyrhynchos) with a group of cute ducklings swimming in the river
Male Common Teal swimming in marsh
A female mallard duck (Anas platyrhynchos) with a group of cute ducklings swimming in the river
A female mallard duck (Anas platyrhynchos) with a group of cute ducklings swimming in the river
Wild duck, anas platyrhynchos with yellow beak swimming in clear blue sea
Mallard, Anas platyrhynchos. A male bird flies over a river against a blue sky
Mallard, Anas platyrhynchos. A flock of birds swims in an ice hole in the middle of a frozen river
