Yes. Generally, most macaws are monogamous and mate for life. This is why pet macaws tend to form a special bond with one person. If they outlive that person or if they are re-homed to somebody else, they are simply devastated.
They, usually mate for life and won't take to a new partner, But in some cases they will, not usually though.
they show off all their colors to the female
Budgies do mate for life.That is why it is important to make sure the budgies you bought haven't mated yet.
Cockatiels do not need anything to have a mate. Just put him/her in the cage with your cockatiel, however, if you want them to mate, they will not mate if you do not have a nesting box. In order to breed cockatiels, you will need a nesting box.
I'm pretty sure that cockatiels should be about 18-24 months when they start to breed. In other words, cockatiels mate after they age about a year or two.
Well That's easy! Just get a Female and Male Cockatoo and put them together and they... should... have a baby and then keep doing that until you have enough boys and girls to breed together.
yes, they mate for life
Yes flamingos do mate for life.
No. Koalas do not mate for life. A dominant male will mate with as many females as he can.
Some do mate for life, but some don't.
no snails do not mate for life. they can have many mates.
sexually
Yes, cockatiels can get parasites.
yes they do mate for life until there mate dies then go look for another
No, they mate annually