yes
Yes, Newfoundland has sea otters, but their population is relatively small. They were historically found in the region but were nearly extirpated due to fur trading. Conservation efforts have helped their numbers recover, and they can now be spotted in certain coastal areas of the province. However, they are not as abundant in Newfoundland as in other parts of North America, such as the Pacific Northwest.
The plural of otter is otters.
No, male otters do not drown female otters during mating.
There are sea otters and other otters. In the category of "other" otters, you can include the North American River Otter, Giant Otter of South America, Asian small clawed otters, Congo clawless otters, Capr clawless otters, Southern river otters, hairy nosed otters, spot necked otters, neo tropical long tailed otters, and others I may fail to mention.
Otters
Otters.
mostly river otters, sea otters and other types of otters.
yes, sea otters have young sea otters called pups
No. Otters are not native to Australia. Apart from the occasional zoo, there are no otters in Australia.
There are both freshwater (river otters) and salt water otters.
There are 13 species of otters.
There are otters found in Scotland. It should be noted that they are not technically 'sea' otters as these are a sub species found along the coast of Japan, Canada and USA. Otters found in Scotland are Eurasian or European otters.