20 Sept How many cases of breeding on natal territory, ? breeding (?) THAT'S THE PROBLEM WHO ARE THE G.D. BREEDERS Dominance study should include groups. (1) Pair, young of year (2) Pair, with young from two or three years (3) Several Adults, preferably of known age & origin, Pot 2 breeders (4) 7 Oct What about brood patches in during breeding season? Could an Acorn Machine (as in Woolfenden + Fitzpatrick) be used to test for dominance relationships in Acorn Woodpeckers... or a Peanut Machine, for that matter; 19 Nov -- Paul Shermand paper about Territorial Alarm calls in Ground Squirrels. Matrilineal kingroup structure, ? call more, because more close relatives nearby than males. In Scrub Jays and also Acorn Woodpeckers, would be more likely to give alarm calls over predator. Mobbing experiments? (Cardboard models?, for Scrub Jays, certainly; Talk to Bruce Barbour) Also thinking about Brood Reduction ideas.