Emus were killed for food. They were large birds, and although fast, the fact that they were flightless made it easier to catch them.
Emus were not "discovered" in the traditional sense, as they are native to Australia and have been part of the indigenous culture for thousands of years. European explorers and settlers, such as Captain James Cook in the 18th century, first encountered emus during their voyages to Australia. However, the emu has always been known to the Indigenous Australians who have coexisted with these large flightless birds long before European contact.
Humans are intimatated by the emus' size, therefore have a desire to kill or hurt.
The First Fleet did not set out on a campaign to deliberately kill just the emus. The birds were good food and a reasonably easy target for a colony that needed a head start.
Etymology refers to the origin of a word.The word emu is believed to have come from the Arabic word for "large bird", and given by the Dutch and Portuguese sailors to both emus and cassowaries they sighted. The first European settlers and explorers then used the term exclusively for the emu as we know it.
That depends on what country they came from and where they settled. For example, the first European settlers in Australia spoke English. The first European Settlers in Brazil spoke Portuguese.
The word emu is believed to have come from the Arabic word for "large bird", and was given by the Dutch and Portuguese sailors to both emus and cassowaries they sighted. The first European settlers and explorers then used the term exclusively for the emu as we know it.
The first European settlers in Canada were Scandinavians.
The emu is neither extinct, not in any danger of becoming extinct. Its status is "secure". However, there were several varieties of emus prior to European settlement. The Tasmanian emu, King Island emu and Kangaroo Island emus are now extinct.
We did kill them, just not enough of them obviously. If we had managed to kill them all, Native Americans would be in a far better place today (than slaves as they are now).
The European settlers came from Euro[e. Most of them did, but some came from England or Spain.
While emus are known to be opportunistic feeders and may attack small animals, they prefer to eat plants and insects. There have been rare incidents of emus attacking or harming sheep, but they are not typically a significant threat to livestock.
The people who built the colony of Pennsylvania WERE Europeans.