She said: "Please put water out for birds and other wildlife. "She burns ground to dust, glowing until the shadows shrink and every bird hopes to hell for a drink." A spokesperson said: "Many of us like to cool down by taking a dip and birds do too! "This is the range of external temperatures over which its normal rate of metabolic heat production doesn't change. The nature campaigner thanked Jeremy Clarkson for his advocacy for swifts, praising the TV star-turned-farmer for promoting measures in new build houses that help the birds nest.