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D. Greater Sydney has 5.3 million people, about 300,000 more than faster-growing Greater Melbourne. The man who found and fed the emaciated pigeon in his backyard said he named the bird Joe after President-elect Joe Biden when he thought it was from the United States.
C. While national leaders in Canberra were taking a hard line on Joe, the Victoria state health minister in Melbourne plead for mercy for the bird. Officials speculated that the pigeon may have crossed the Pacific Ocean as a stowaway on a ship from Oregon to Australia.
D. The dingo is a medium-sized dog that arrived in Australia at least 3,450 years ago, long before Europeans first reached the Australia in 1606. While some dingoes were domesticated by Australia’s first aboriginal people, they also roamed wild. Officials now believe Joe is from Australia, where pigeons also are an invasive species.
C. It is believed the small freshwater-filtering mussels were brought to the Great Lakes in the ballast water of ships from Europe. They spread though around North American fouling boats, clogging pipes and causing damaging weed growth. But, they also supplied food for other animals and increased the numbers of yellow perch, smallmouth bass and endangered lake sturgeon.