What does it mean when an ant has trouble climming?

Its been raining so alot of ants have been coming in my house, I had 2 ants on the walls of my bathroom, then today I saw another one, but he couldn't get up the baseboard. I don't want to kill him so i caught him in a cup and noticed he was stumbling and walking sideways, he would climb up to the top of... show more Its been raining so alot of ants have been coming in my house, I had 2 ants on the walls of my bathroom, then today I saw another one, but he couldn't get up the baseboard. I don't want to kill him so i caught him in a cup and noticed he was stumbling and walking sideways, he would climb up to the top of the cup then fall. Another any just like him was literally on my ceiling so I assume should be able to climb.
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