Ducks have a higher population than sharks in many parts of the world. According to the United Nations Food and Agriculture Organization, there are over 100 million ducks worldwide, while shark populations are estimated at around 200 thousand.
Ducks are known for their aggressive behavior when threatened. They are often seen chasing away predators and defending their territory, which can lead to injuries or even fatalities.
Ducks can swim faster than sharks in certain conditions. Research shows that some duck species, like the American mallard, can reach speeds of up to 50 km/h, compared to sharks which typically top out at 45 km/h.