^ YELLOW.RUMP WARBLER. 127 
May, on their way to the north to breed, 
frequents the high briinches and tops of 
that ’ woods, in search of the larvm of insects 
thiff^’^®y the opening buds. It has a few singular 
the notes ; .and is very lively and active. About 
its ef May it disappears. It is rarely observed on 
the R which may probably be owing to 
it Iq ®®''eity of its proper food at that season obliging 
greater haste ; or to the foliage, avhich 
uhjp it and other passengers from being so easily 
all Somo few of these birds, however, remjiin 
thiR ’’'Bier in Pennsylvania, having myself shot three 
[1809,] in the mouth of June ; but I have 
q./, 3'et seen their nest. 
atid Species is four inches and three qinarters long, 
heR^*?''en broad ; the whole back, crown, and hind 
of y’ of a rich yellowish green; front, cheeks, sides 
Ihpog? '^eeast, and line over the ej^e, yellow; chin and 
''W'k • ’ sitloS) nnder the wings, spotted with 
Hafi ’ f'olly and vent, white; wings, dusky bliick, 
I'oet f ^'’ith two white bafs; bill, black; lee's and 
Ml! ^J-Ownish j'ellow; tail, dusky, edged with light 
'VeljR . Ihree e.xterior feathers spotted on their inner 
'** bl "?'''' white. The female is distinguished by having 
■‘wt on the throat. 
99. 
SrhriA COROXATA, I.ATHAJI A-ND WII.SON. 
YELI.OW-nuMP WAKStER. 
j 'VILSON, PLATE XVII. PIG. IV. — SUMMER DRESS. 
of beautiful little species we have another instance 
^'Stakes occasioned by the change of colour to 
OORe of our birds are subject. In the present 
The ohange is both progressive and periodical. 
*bovg bird.s of the first season are of a broivn olive 
?ii(l *frh continues until the month of February 
'nto a j?'’eh ; about which time it gradually changes 
**^“*'® eolour. About the middle of April this 
s® completed. I have shot them in all their 
4 , 
