Unfortunately, the only way to get rid of them is the trim the trees they are using to climb up there. They can jump about 4 feet so you have to cut them back or trim them shorter then the roof line.
If the removal is not urgent, wait until the young are raised and the family leaves. You can then clean up the mess (feces, food and damage to the building) and board it up so that they cannot return. Otherwise, it is really not a DIY operation and you will need to hide a professional to do the job.
It's dangerous to pick up raccoons on your own because these animals are aggressive, with a high chance of you getting bitten. It is better to leave it to the professionals like The Critter Guy, a pest control here in Canada.
If you are looking for more information on what do you do to get rid of rodents in the attic, the best place to look is on www.terminix.com they will get rid of them for cheap.
Sometimes, All I encounter here in Canada was raccoons living in my attic which provide holes in some places in my house. The Critter Guy takes inspections about it and it turns out there were 2-5 holes that the Raccoons are going in every time.
They will rip off the shingles to get into a home or attic.
kill them
Bleach
look in the yellow pages
I'd recommend the critter guy if you're in Ontario. They are professionals in removing raccoons.
As long as the babies are still alive and in the attic she will attempt to get in. Open in attic and let her retrieve he young and only then seal it up to keep raccoons out.
In Canada Their are some raccoons. Some of it is really not good for me who just have a house near forest, So I always have raccoons in my backyard or in attic. Sometimes I Call The Critter Guy if it's really going inside my house already.
no
To get rid of click beetles in the attic set a yellow container filled with water plus a little dish soap. The beetles will be attracted to the water and will climb in and drown.