1: A heron regrets losing its wings (5)
2: Exchange recipe describing a small amount of relish on rolled up taco (11)
3: Attacked with words to violate one's hearing (9)
4: Dreads mistake in time-share (7)
5: Movie star kind of hot for date (7)
6: Daytime 8-down repelled Marx (5)
7: Bounder beheaded by slippery swimmer (3)
8: Write the letters of charm (5)
12: Farmyard creatures defining an unlikely story? (4,3,4)
13: Reportedly is nostalgic for wife (3)
14: Music drama can go endlessly on (9)
15: Fish spawn upstream in little orifices (3)
17: Plots get Cuban revolutionary leader in a terrible mess (7)
18: A fool, for instance, may use a very good spear (7)
19: Gas makes one put on weight (5)
20: Move to limp off without energy (5)
21: Poor year after Eden lost (5)