The authors of last year's Bug Hunters and Whale Watch continue their conservationist series with two less than essential entries. Falcon Flight tells much the same story as Kaufmann and Meng's Falcon's Return (1975), with two chapters on the courtship and ""family life"" of one representative pair inserted into an account of how the much-hated species has survived shooting, trapping, and nest robbery but almost succumbed to DDT's effect on their egg shells--and how ornithologists then began raising and breeding them in captivity. Coyote Song skims the history of American policy toward that animal, but the Grahams' defense of it is too slack to stand up to Pringle's objective and rigorous Controversial Coyote (1977). And, unlike the folk tales included in Thomas' Coyotes, Last Animal on Earth (1975), the one Indian legend they choose to retell is neither typical of coyote tales nor illustrative of coyote characteristics. Supplementary.