Tripod Heads For Birding What Monopod/tripod Would You Recommend For Taking Pictures Of Birds?

What monopod/tripod would you recommend for taking pictures of birds? - tripod heads for birding

I've recently started photographing birds. My tripod is not very expensive, with a minimum of three buttons to adjust your head. I think it Monopods / Tripods easier / faster head adjustment. The camera I use a Nikon D50 with an 18-55 mm or 70-300 mm lens, which is not necessarily a stable tripod ... only a monopod or tripod, which are readily in regions that can not be accessed and mud, and can adapt quickly. Bird photographer with experience, what do you suggest?