yes
No. Panthers are animals that are alone except when they mate.
yes
Yes
no
Not life. A week or two, maybe.
Yes they do
Yes
No, dolphins do not keep their mate for life. Males and females do not stay together but a calf will stay with its mother.
No, the American robin does not mate for life, but they do stay together for an entire year together and both parents raise their young until they are mature
get a life mate
they just mate
Yes crows mate for life. The only exceptions are if the male crow is killed or incappasitated or the birds can not keep the breeding line going.