Marble Hill press., 1921-07-28

STATE, u,tauA.ai o, Asr.H.urs. Washington.
e. e
WIZ 10 ss'atI. .iui~uf ~ ve'' ruuus.'si chain
- frnpuIuE sfaiIrCs Throughout 'ls inIf~i S'Hi''
snt Canada regular returns rurri~nNf ~
T-yfrj thrsush frpur's ~ rr'rappius birds ina
svfr banded - che eriE |nai sui other sfaii'hs
psfs tho. Afforded arr ALREADY indicating the eA
sri l'ne = migration ~ iuii,iiual hird. ihe si@'
- travel ani tunam-rahle Items - interest many
- which have direct bssring upon the study ''
Iife hlsipfi~s 4 ll,~ly Interest attaches 20 70"
work 10 thHt each nI=rster - station ls IN
coutinaal state - anticipation through th" Eh'"l
edge that bird. handel a. other stations may a.
any umc ~ registered nj his own traps
The hands issued by fhe biological survey "" o.
two typ-s a split rims band tsirrs 90 q iurlus'el
for Ell small hiris Including thc-c - the szr ''
crows. small esls aud h~ruus. AMI Haistrif
hand thaf - adjustable for ail larger birds For
general land bird trapping fh" government spa''
ruw tfnp has h,vu found th" most satisfactory
"ther trars l'h,rc are several that uay De ruF.
shassd u th- oI-n markr) mas also give salts
fnrtl'u. but there Is distinct advantage iu huS
INK standard urc uat bird. may come 20 re-.
osnifr - srg-ls ~ flad tuI Cor 'a.. 0rasou u
Is recommended that 'hi. trap tc used.
The circular contain. .p",rcBNoUs sufficient 20
nHshlr aHNaH~ vIfh moderate SKIN .H the use -
ftnas tfu ,rlr> rIlsr, me-. AMI hammer, 90 con
.s-urt the ".oyyrumvp'' sparrow ,rap la a few
Problem, thar ean hc solved BY bird banding In
el4tc these
How fa,, 80 thr Individual. ~ 7uv species truy-
% ru their periodic misra'lnns. that f. how many
milo, Isr aay vlu any on, bird average during
lhr~, tsrrrcys and what 81, the total time con
suraed in trlp'
poes any aue Esck continue 10 ~" van or Is the
advance made hy successive rosSs passing one over
tho other IA alternate periods u rest and flght'
10 individuals ~ any species always follow the
same route aud Is II identical frr both spring aud
fall GIghts'
po migrating bird, make the same s,op-overs
every year 10 feed1
How long do hlr,s remain In one locality during
the migration the breeding the winter scasons1
What Is the relation between The breeding and
the wintcring grounds of individuals; that ls DO
those birds that breed fartheSt north winter far
thest south thus Jumping over those that occupy
the intermediate zone, or do they merely replace
the latter individuals rs winter rNsIdents'
10 birds adopt the same nesting area nest site
aud winter quarters during successive seasons'
For how many hroods win pair remain
mated. and which bird II not both, Is attracted
next year TO the old nesting site'
To what extent do males of species assist In
incubation and hroodingf
How far from their nests do birds forage fcr
food and after the young have left the nest will
the parent birds bring them to the feeding and
trapping station1
To what region do the birds 20, particularly
the young, that DO not return TO the vicinity Of
their original ueSts1
How long 40 birds livef
For the solution OF these and related problems
n is important that the traps always be set on the
original site for birds already have returned 10
the same traps through four Ave consecutive
snssons MANY returns" will, in the course Of
time afford answers TO the important problems
here presented.
In handling small birds the utmost care must
bc exercised II IS of vital Importance that they
no 80 handled that they may he liberated In per
feet condition Almost without exception they are
highly nervous. and quick pressure by the cp-
orator following some spasmcdc struggle of the
hir,i may KIN II instantly seriously injure II
as to make its destruction necessary. Further.