e 
„ v= ,„ r -t-Q year are immediately apparent ra these 
Some differences xxom year toje a arent than real. It seems 
data bvct other differences arev± ; * aeason is considerably later 
immediately, evident thax in fQr the STna ll size of the 
than in preceding years wnic^^P ■, te this yea r apportions some 
population estimate. In addition population which was not done 
birds of the breeding population - • o+her years the total 
on other years. If the estimate were made as^ Q *^ birds; this would 
population estimate would have been , ^ owledge 0 f the number of birds in 
have been a minimum estimate siace^ ° H ence, although the nesting 
clubs vas not as auequaxe a x , than the maximum estimaxe^ it xs 
that observed bn i 9 63, «* 
xaay not be much lower than that 01 lb—. 
. Q , t the Breeding population was decidedly smaller 
« th. 1- wS - a haf which Judging from other 
than in other yeam^ (ex V f breeding)* However, a larger 
evidence, was apparently. umavora la in than in either 196'+ or 
■proportion of the population was ye^ _ ^ tiQn would indicate a maximum 
1966. A projection to ohe^lyo8 aI^ t a level of about 1,000 
breeding population P rese lt yltSfferent from those of 196^ and 1966 
birds, a number not signixicano j -nresent in July. Further, 
when the peak number of breeders was e-aent^pr«sen^xn ^ ^ ^ 
judging from the large prop^0. f ? J than in any other year, and 
IS SS breeding activity. 
Of the four years for which^we be 
efXtLr SfinSSnee »?o„e egg ^sts (most of which can be assumed 
to he newly initiated) supports this contention. 
_110 
, Estimated population -- 
Brown Boooy Sample nest count results (Count oe-^ ^ 
lieved to he complete ^ 
ho.of empty, active nests ^ (8.2#)* 
Kests/one egg-Hi_ 28 (57.1$) 
Nests/two eggs "" _ ___ 2 (h.l i) 
Wests /three eggs 
T otal nests/e gg s --yz z Z. -— 1 (2.0 ( pj 
hests/egg & naked young _ 1 (2.0$) 
he sts/two eggs & nakea yuu.ys_ g (12.2 <f) 
Eests/small downy young "_ 2 (4.1^) 
ho. of large downy young (o.Oio) 
ho. of large _feathered £ ( 2 .0?) 
ho. of near immatures _ (6.lb 
ho. of depend ent —— 1 ^ (^Q.l~ 
ho. b^nuea y L bree ding birds 
so. returns —: 45 (20 A-M, 25 A-F) 36 breeding 
birds) 
. Fercent ealcuintion is tased on nests -h eggs^nd^oung (n^ 9 ) • Fasts 
..,- + v smo-its and young are cax.uld..eu 
