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.
Although stifftails, pochards, and sea ducks all dive for food, there are as many differences among them as similarities. Scaup, canvasbacks, redheads, ring-necked ducks, and their cousins elsewhere around the world demonstrate their relatedness by traits other than diving.