Hardhead

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Hardhead (Aythya australis) (male) swimming on a pond. Brisbane Botanic Gardens, Mount Coot-tha, Queensland, Australia. Nikon D500 + Nikon 200-500mm f/5.6 1/500sec | f/8 | ISO 1000 | 600 mm (effective focal length)

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Hardhead (Aythya australis) (male) swimming on a pond. Brisbane Botanic Gardens, Mount Coot-tha, Queensland, Australia. Nikon D500 + Nikon 200-500mm f/5.6 1/400sec | f/8 | ISO 1250 | 510 mm (effective focal length)

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Hardhead (Aythya australis) (male) swimming on a pond. Brisbane Botanic Gardens, Mount Coot-tha, Queensland, Australia. Nikon D500 + Nikon 200-500mm f/5.6 1/400sec | f/8 | ISO 720 | 405 mm (effective focal length)

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Hardhead (Aythya australis) swimming on a lagoon. Sandy Camp Road Wetlands, Wynnum, Queensland, Australia. Nikon D500 + Nikon 200-500mm f/5.6 1/500sec | f/8 | ISO 1000 | 750 mm (effective focal length)

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Hardhead (Aythya australis) swimming on a lagoon. Sandy Camp Road Wetlands, Wynnum, Queensland, Australia. Nikon D500 + Nikon 200-500mm f/5.6 1/500sec | f/8 | ISO 500 | 750 mm (effective focal length)

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Hardhead (Aythya australis) swimming on a lake. Springfield Lakes, Springfield Lakes, Queensland, Australia. NIKON D500 + 200.0-500.0 mm f/5.6 1/640sec | f/8 | ISO 400 | 750 mm (effective focal length)

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Hardhead (Aythya australis) swimming on a lake. Springfield Lakes, Springfield Lakes, Queensland, Australia. NIKON D500 + 200.0-500.0 mm f/5.6 1/500sec | f/8 | ISO 900 | 750 mm (effective focal length)

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Hardhead (Aythya australis) Male Hardhead (Aythya australis) sleeping with an eye open on a lake. Lakeside Avenue Park, Springfield Lakes, Queensland, Australia. NIKON D500 + Nikon 200-500mm f/5.6 1/200 @ f/8 ISO 180 @ 750 mm (effective FL). Lakeside Avenue Park, Springfield Lakes, Queensland, Australia. NIKON D500 + Nikon 200-500mm f/5.6 1/200 @ f/8 ISO 180 @ 750 mm (effective FL)

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Hardhead (Aythya australis) Male Hardhead (Aythya australis) on a lake. Lakeside Avenue Park, Springfield Lakes, Queensland, Australia. NIKON D500 + Nikon 200-500mm f/5.6 1/500 @ f/8 ISO 500 @ 750 mm (effective FL). Lakeside Avenue Park, Springfield Lakes, Queensland, Australia. NIKON D500 + Nikon 200-500mm f/5.6 1/500 @ f/8 ISO 500 @ 750 mm (effective FL)

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Hardhead (Aythya australis) Male Hardhead (Aythya australis) on a lake. Lakeside Avenue Park, Springfield Lakes, Queensland, Australia. NIKON D500 + Nikon 200-500mm f/5.6 1/500 @ f/8 ISO 500 @ 750 mm (effective FL). Lakeside Avenue Park, Springfield Lakes, Queensland, Australia. NIKON D500 + Nikon 200-500mm f/5.6 1/500 @ f/8 ISO 500 @ 750 mm (effective FL)

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Hardhead (Aythya australis) Male Hardhead (Aythya australis) on a lake. Lakeside Avenue Park, Springfield Lakes, Queensland, Australia. NIKON D500 + Nikon 200-500mm f/5.6 1/1000 @ f/8 ISO 1800 @ 750 mm (effective FL). Lakeside Avenue Park, Springfield Lakes, Queensland, Australia. NIKON D500 + Nikon 200-500mm f/5.6 1/1000 @ f/8 ISO 1800 @ 750 mm (effective FL)

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Hardhead (Aythya australis) Male Hardhead (Aythya australis) on a lake. Lakeside Avenue Park, Springfield Lakes, Queensland, Australia. NIKON D500 + Nikon 200-500mm f/5.6 1/500 @ f/8 ISO 1000 @ 750 mm (effective FL). Lakeside Avenue Park, Springfield Lakes, Queensland, Australia. NIKON D500 + Nikon 200-500mm f/5.6 1/500 @ f/8 ISO 1000 @ 750 mm (effective FL)

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Hardhead (Aythya australis) Male Hardhead (Aythya australis) on a lake. Lakeside Avenue Park, Springfield Lakes, Queensland, Australia. NIKON D500 + Nikon 200-500mm f/5.6 1/640 @ f/8 ISO 640 @ 750 mm (effective FL). Lakeside Avenue Park, Springfield Lakes, Queensland, Australia. NIKON D500 + Nikon 200-500mm f/5.6 1/640 @ f/8 ISO 640 @ 750 mm (effective FL)

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Hardhead (male) beside a lagoon. Brisbane Botanic Gardens, Mount Coot-tha, Queensland, Australia. NIKON D500 + Nikon 300mm f/4 1/640 @ f/8 ISO 3200 @ 450 mm (effective FL)