Zonotrichia l. nuttalli 33 17 April Inside NW Corner Edwards Field, Nert C. 0615 R-4 10.2 gm. Primaries all out 2mm. Secondaries out varying lengths, uttermost+inner least, in steady grade. Clung to nest lining, did not gape. R-3 10.2 gm. Shaped + squarhed on balance. Primaries 2mm+, secondaries all about same, less than primaries. General+back tracts out on both birds. R-1 9.6gm. Primaries almost 2 mm. Secondaries varying lengths. Birds did not gape as much as usual, were crouched when I first reached to nest, Bancroft along 8th Field Center Nest C L-3 4.7 gm. Dark feather streaks over body show well thru skin R-1 5.1gm. Vito, Active & gaped. R-3 5.2 gm. Kito, primaries albt to land thru skin. All these birds in nest prop their heads upon the one remaining egg. Bancroft, Center Sec, Nest J, 945 Found this nest with 3 young. Marked & weighed. R-3 9.4 gm. Defecated, new Wt. 9.1 gm. Prin. out of skin 1mm. L-3 10.3 gm. Prin 3mm {eggs not open} Secondaries varying lengths. R-1 3.8 gm. Feather tracts show well; primaries show burps on skin, not quite ready to break through. 3 young (2 ages) +1 egg in this nest. About 5' high, in clump of bushes.