. 'U-tjAX a -a* f&SVte&B vU > ru.: i .er fra a PWti place* Ota the Messy top fflT trie iai*n^ 
** m , «* mmm*&. often 1 saw from the windeS of the 'sam* bm Vm 
f ^ ft °* ?**- kxrd a i lifted eoaourag*-. the ati- -era flying above to laa* beside 
a srot& had as tabled, 2he birds of such a party vnuM 
*®® vo , uta place all ttplbtr, Xh© lacUMorers who often tel no tim to collect 
JJ ^;y-': u - l b a fe>c * *^-th the ot x--ra * , efc^ty-htaaried ; '. J.,p ■ i- c ,; lv 
uk> ^ stay loader, it ms striking how the birds on their way 
aT 6 ^ towards the sea by the shortest route, Mvespeotive of the 
uireotxori of their nest. To reach their colony they often nad to fly quite 
a pay round the island afterwords. Travelling over lead is doiw by s 
nxtvrcaJ'C' little as passible. 1 never once tm a bird flying over the islaM 
~ iS atar« of neat building, The kittiwake .Is the ably speaios of gall 
■T 
on i^inar cells© ting t:rips rndepetidestly fxtn their sel^wora* f 2 bev r;0 * 
5 mu * cmtbre&ks of building activity. ®» grout*? -nestling opooies 
ooJlwv th© sasterial cither in the brooding ooloay or in an ®fivir©f®j®t sixailRr 
'■■° • C8W at8t * ' ias fcittisake has to leave its fanlliar le&ges and land 
era exposed flat ground. On© can ti4irefar® udarstsaA the kittiwak&’s ^renter 
rervre^e^to eoli.ee v ^ alone aid only the security of the? .flock seaus to overoorae 
, M in aony birds, the . . . ts seem to *£ <mi ion free 
*• lints collect simltat tw 
the st i m u l at i o n to build. ?he sudden outbreaks af building activity 
in^a kittiweto colony m therefore net happening by dtmxe, they are ooonecM 
\?XwIa oxi30i Miidli n&X btl i in tiiii suirviv^l of tli€- n?>oci^s # 
t 
r 
i\i.c and, feed© Praia one seat mt out oa collecting trips la turn. M 
a th f 3r (t ?!. n ® t leave their growing mot unguarded, 'if they happen to do 
J® is robbed h .mediately by a@ighbo.ya. Hie nest building 
vf-«* mpp of trie klttixK&B Is quite resectable. At first the birds brine art 
Iff * 1 .\***. °^} c - r - at **»• «$g» of the ponds oa top of the isltv-a. they deposit 
mus isatc \al by Jerfeing the bead repeatedly up sad dean end opening the 1 
toft Hi . j 
x-. net tiie choking is derived fw» it. «t ; 
^ 4 ^ 2 ?'^ iiC ^ s ,^ r° faMlQ ^ <*» le % e «* if it w Ii^ridag til®. 
® J 0 ;^ tin© bcsifio the nest an the bare rock without noticing the mistake. 
f» i-£ ****** e and > :1 
atu^yj m 3 nua ©alerts natiw lodges and levels steep slopes in &< at^aaiae my. 
thi; .aownent « e 
Ji®, + , ja !r^\! J* 3 * a ****&& Study of tt« nest building. I tried to 
.. t ttj f* bJbpa * it «• tin® to go over fren oo31.ee ting nud 
^ S**9 <*rr.9teSLy do not collect the tm kinds of material at 
i^v.cri etid on© «A#t think that the stage of tine nest aetetwiined ehioh arterial 
XtJ °3Uc«woa* the stole proce is is core csossplieated and Xosnnot give ti» 
* tJauIt;8 ' l _ x imv>;? ^rked out a®- observations. Urn celleetiag of ti»uc data 
utnh^ a ^ i>er tieular,i. ^ teiioua m the birda ^tght have an outbreak of 
muj4ing activity any tin® of day asr4 often they built iielf the nest in a moll 
ox t. ;rec os* four hours wfrlolA c lvhiI^ nnts. »j»tWA •f frrt eift Wfeesai » 4>V^ 
On© of the 
