Joke Collection Website - Mood Talk - Why are there seagulls in Haihe River?

Why are there seagulls in Haihe River?

Live here. Seagulls can live in fresh water. Seagulls feed on coastal insects, mollusks, crustaceans and worms and grubs in cultivated land. They also prey on small fish on the shore and pick up leftovers discarded on the shore and on ships. Seagull: It is a medium-sized seabird of Siluridae and Gull, weighing 394 to 586 grams; The body length is 45 1 ~ 5 10mm and the life span is 24 years.