I think people use maya software a lot for animation.. I think

Of course, Maya is awesome for animation. But a lot of people also use 3DS Max, depends what you're comfortable with.

I use max for animation But I have to agree that many studios use Maya for that.

its either maya or XSI that are the major animation tools

A software could be better than the others in one thing, but that doesn't mean that it is the best. There are things that Maya is better at, but their are also things that Max handles better. Like for instance, Maya is more chosen for its character animation and dynamics capabilities and Max is more preferred by engineers and architects for its precise measuring capabilities.

Every software has its potential buyers where it may also allow them to do more than what it was actually meant for. It is the users choice to choose the appropriate animation package based on his own skills that he is good at to begin with.

But it is also true that the software companies are not openly discussing a software's weaknesses for marketing gains.

By the way there is a good news for Maya users:
There is a plugin called "Oceansplash for Maya". This plugin builds splash engine for the selected object or character. The engines does a good job of producing awesome splashes when ever the object interacts with Maya ocean.

Have a nice day!

everyone uses what softwares they know best, so the best software is the software that you know the best...
don't think that people use maya the most

Which package is used more in the animation industry?

Thanks!
Jess