Labels:animal | bird | book | car | curtain | door | plaything | sky | sparrow hawk OCR: FAMILY LIFE American Kestrel (Falco sparverlus) Braddock Bay Raptor Research Some monogamous raptor species will be polygamous under certain conditions. The conditions for this occur include when male's territory has plentiful aad easily captured prey, when prey in unusual abunda ance because of ecological factors, orif the male is ar especially good hunter and provider. Male Red -tailed Hawks Ospreys, Common Buzzards aad some kestrels and harriers may support two breeding females in the same separate nests if one or more of the above conditions prevail. Males polygamous species are often more brightly colored than is typical of raptors Colorful plumage may help this male kestrel to compete for breeding partners contents ontions 4rnb bookmark menu sparverius conditione abundance especiall ...