Feathers from the right wing were more favoured than from the left, because the natural curve of the feather is better for a right-handed writer. Some calligraphers still use quill pens at times, because nothing else quite produces the same quality of lettering.
Goose works well, but as Ray says any bird large enough will do, such as swan and turkey, and presumably buzzard, raven, eagle, heron etc. My mum's a calligrapher, and I give her goose or turkey feathers when I get the chance.
In fact she did wonder whether left or right feathers were supposed to be better -- I'll pass on what you say, Ewood27.