Found an interesting ant at work today (Central Vancouver Island, BC, Canada)

Saw a couple of ants today which looked like this. The same size I'd expect a carpenter ant to be at approximately 1.5 cm long, but with thick fuzz on the upper thorax and abdomen almost reminiscent of a bumblebee. The ones I saw were definitely aware of my presence and started to look for hiding spots while I was around. The yellow colouration might be due to pollen clinging to their fuzz, I spotted this particular one when it fell out of a hanging flower basket, but I couldn't get a close enough look to be sure since I didn't want to stress them out any more than I had to.