T. Code 1958 Falco peregrinus 2 August - cont about 100 ft above the river, alive right on the back of the flatiron and easily accessible. Two young about #3 weeks old - primaries of oldest = 7", tail 3". Both young appear to be females. Food venenum are mostly passerines - especially longspurs. No waterfowl venenum. One golden plover - few other shorebirds. Large number of pellets collected, several of which had mouse venenum in them. 8 August OKpilak - The two juveniles taken on the Colville in the last week of July are now exceeding their nesting alot and can flap up quite a perch 2 ft high. Toplay seen for the first time 'play-killing' and 'attacking' manipulate objects - clumps of twigs - willow twig etc. September Unist, Alaska - in the early afternoon at 1600 a juvenile 7 was seen flying over the rolling tundra behind Red Bell. It was giving the food begging scream. At 1715 a peregrine probably the same individual - was seen flying between T1 & T3 in an area where some ptarmigan had been seen a few minutes early. It was also screaming.