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! 5T OTk on the tehaslanr of the Xittismfee is part of a amramo of 
ucqper&tiv© studies on g?.sli l^dUBdoor started by v>r* 'flrfi3es*«sa. It io plotaacyl 
to fcmostlt^e **» behaviour* of at! tlm species of gulls, a-xiaa and term 
riioaiDie, Tho work la Jaainly carried out In this country by dr. yioberpen 
aai oovoml of - do students. But also in (errnany, l&lland, Finland and /saer±o« 
■aoople ore contributing to it. «*«**«• «» mmwam 
•y o* one species alone is interesting in itaolf but only oos nariaoo 
» to sp^V aspects of behaviour, for instance to the effect of 
behaviour, to the evoluti unary origin and development of the mom 
******* a® 3 - 13 «*S oor&aaaniea, and to the possible ofean^a of oatissfcias 
„ m of postures fma speaks to species. *&m results of comparison 
ns well, fw© Species, tlm Ssrrin ; dull and the 
_.,laj»-5..ondad 3U.-1 tow already bean studies extensively, ahorter studies have 
omn o^ey^m out an the Sots on, Little, haughty, Silver and dartlawb’s ; k J lu 
ttie tey - ; ~ at present gpuag on owkswsral other species. 
li 
SfF-» J& 
y V, 
s 
suronoaa gulls only tbs kittiwaJw 
s and Urn 
|vr\ on lao^clAgiaai ®«*a»ia aw! f o^LWTaolntea genua J.:issa, It aleo ahot/o 
■•Vy ecological peculiar Xtioa s it is pelagic and nests on vsrtiofil cliffs. 
grow)® 
it 
1 hraus watched the birds only in the breeding colony sad oouift not sea 
****££ ««bits sad nettling of their behaviour in tbs slater 
quarters. prefers I do not know how zaany special adaptations in behaviour 
waey ffloy hs*^ mlgpod to a pelagic life. But tracking dam tS'seir special 
sa^attey ^ ^f-neating was one of tin cost fascinating parts of ay work. 
" n . folio sg pagos a nwobar of these adaptations will be 01011 tioned. Xastaa 
G,; aai ait every tin- ■- Till ( ive a list of tie® at the ci, 
• ■ the Inner Fame arc paridoularly well adted fbr this 
*. ]f”* uni(?i© opportunity to watch an undisturbed colony without 
l\ 4i f i0 ' rax: ? ®? 1 011 a lcvo1 tie neats. It is a gsews* advents * 
, s** ’ i '”' ' = -ruoled vioir over the stiols scene so that aw* doss not loss 
- "■■■’T ,T ^ 3««r© their nests. I did rest of watting in 
*® “*■* I during t^l ®>d 1954 X kept the oars® ; 5 roup of 
of the birds' arrival in th® tlvut 
■' 
. - •••■; I 
* *& to the end of inugust when the young 
* trn wing tips, wldoh vary individually L.1 „, J. Jf 
" -‘-'y ■ '■-•-■ ^ m,v.y$\X!50 the bir’’a u.*: tliia ;;ro oL 
myQ ** ih Uiilorotmiling the belisviour. It enabled 
at) to icliow up the history of tfao colony, to note iniiividual variations, in 
setovlour, and to reoo^sise differenoes between new^ossars aal old inhabitant! 
fx - 'TO 0 on n«Ksd.y«ii4a.ted awl old “Mips, etc. 
beginning of la 
i to sit in «'gpcu; 
