Color. 1  Discharge or light bleeding that is brown or pink in color may be a sign of implantation. Red blood is a sign of menstruation. 2  In rare cases, implantation blood is a light red color. This indicates that the blood has just been shed from the uterine lining.
Confidence votes 35. Some domesticated ducks only need water to preen in, not to swim in , but yes; wild ducks do need water to swim in. Some domesticated ducks only need water to preen in, not to swim in , but yes; wild ducks do need water to swim in.
Adult ducks are fast fliers, but may be caught on the water by large aquatic predators including big fish such as the North American muskie and the European pike. In flight, ducks are safe from all but a few predators such as humans and the peregrine falcon, which regularly uses its speed and strength to catch ducks.