Marble Hill press., 1921-07-28

Anus hhiAf tte hAstai"FN HtE'e 80
ttstf ,fa,cl. ths usff~S caa trvai then. lhsre-
fore LIr,i banding s-Tyvs 9 useful pgrTrsr
H. rst.4 STATE. department q Asrieultur~
IA, ,aa pasu.hes Ispaum~n, circular 10. Ia
strir,ioas fBf Wr,i Haning by irv'ieri's I. In
.oln assistant biologist u "a. hurvaa u bo'"s
~ sursry Ths ,JF4Iar az. by Nal 81 N"N
.ilstioa that biri bsBilus in Am"rtoa dates ir"'h
tAs ~auy YEAR . fhr Niurt~rnfh orbhf' Nh'"
Auiab5a tlac,s silver THREAD. around the l"s'
- q br,-sl % rhs-t-s. sad uas rrwaT''ri 70" i''
Ia~tHg ssasua hy having fvo " hts o'gh ''t+''
g. rsst Ia tbr same SITinitI.
IN Iurop- bird handlus vas attempted a. early
as ITiu bui - was not until iNfH that o. Na' Ai
.ieriaE~n systematically Between that year ap3
1914 abc.is ~ dlHvrvu; organizations fork ~ tHe
uurk ard their activities have devetNt.sd mH.H
valuable Information
H. ,nf tuItrd Sfafs, active experimental W'-s
.... t..un fp Is.ii aud between that Year aaI
I.u ssyvraI .ocll attempts a. b'ritaains Wrre
-. thrs p.suue, gr prosecuted one % these, h}
OBJ. Nr, uayra tC4anl Bird cub. rrportei
10 tHa annual meeting - the Amsrisan ornliho.N.
,,. rt.ou In l1sp eiih the result that the Amer.
ian r.rl EaaiIng association was organized 10
Nra N.rA t4fy ou IH~crmhcf : ~ that Year. THIS
ss.s-sst4ua rguEiaard % advance the work tdur'
Ias The last fr0 years audrr the Ausplcrs OF the
apa,ar s.e."gf - \rw ioFkl uH'l u odtETew
;he yrsaurrys available.
,,,a r,ut.,. % ,as movements and life histories
,f oar migratory rlr'. especially the game and
trs.ysiycrpgS sl.ysss thr aork Of the association
90, taken over ts lhc biological survey in iaan.
n Is the p,an q the saryr7 20 atyancr this method
~ r,s-arrh along tvo principal lines First. by
,h, handing ~ he,sElGEs a. formerly pTacuced
nd s,.,,,pa hy the systematic trapping aud band
ing ns adults
rn,cosh hltd banding operations as carried on
In rur,.t.e and America. sarge numbers of migra'
,orx birds have t.en banded and data " c'ns!d'
..hls ,wpor.ancs obtained during the last N
,s.r. I'm tae United States these activities have
s,..-ctvs,, added impetus within the last year or
l,wn through the syoggtion ot the method Of sys,
,sma,ir trapping Birds have #cn marked tn va
,le,,s ways but the most satisfactory Is by means
~ a numbered aluminium hand or ring, attached
10 the ,arsns or bare portion of the leg. IN" ap'
tpltcasiun Of a stain or dye TO the htGht OF 'A''
,sa,he,~. tho attaching Of memoranda written on
,,.,rhmsnt. and various other devices have been
,rlea In the past, but are not satisfactory for any
general investigation.
sine. /, Is the returns from birds banded that
,,,r,ixh the data desired in this branch OF re-
search. Il Is Of prime Importance that the methods
...,,pleycd be Improved and that the percentage
~, hir,ls under observation be increased Nothing
has been found more satisfactory 70 the accom-.
.,l,shm,nt OF this than systemired trapping. As
tha handing cr hedgllngs has the advantage ot
ne,rtItrr valuable information on the ages Of birds
.h. h,olnpieal survey wishes To encourage these
.ar,tvt,tas hut II desires 90 lay special emphasis
an, the s,iea value of the systematic trapping os
sdu,ts t'sicral permit for this work Is required.
under ~ !, provisions of the mgratory-blrd treaty
act Ar alcation for such permit should be adj
dressed TO the bureau OF biological survey, United