Swan's are pretty birds. But they're mean. Do not let any animal near this bird. My favorite is the black ones. But I watch as somone arproch this black swan it hissed. This was at a farmers market. They require a pond if your gonnna get one. Its somtimes best to get them as swanlings. So they get used to you. They may need to get cliped because some of them can fly. They can bite so becarful around them. These are very big birds. I asume they eat alot to. I don't know about there nails. It may be ok for geese to be with them. I don't know how many eggs they lay. But if somone know's please tell me..