The average maximum temperature in Bilbao in March is 61Â°F/16Â°C and the average minimum temperature is 45Â°F/7Â°C. Weather in North-West Spain in March The north-west of Spain doesn't get much luck with the weather.
In biological classification, subspecies (abbreviated  subsp.  or  ssp. ; plural : subspecies) is either a taxonomic rank subordinate to species, or a taxonomic unit in that rank.
variation-an artifact that deviates from a norm or standard; he patented a variation on the sandal. mongrel, bastard-derogatory term for a variation that is not genuine; something irregular or inferior or of dubious origin; the architecture was a kind of bastard suggesting Gothic but not true Gothic.