Bovo ml tinea when r ir cats tocsther I c n w & "greeting** 
ich '• > noticeably t £ro:; th© greeting if the 
S&iu«flu^ 6Jss 0K*Jt A*lc*C4tA irn Tnurr 
Black Hodd ;7 Both birds alternated a dovnwa rd -looking nocture, 
rds* The rhythm of 
i 
the 
f f 7 
r DOV<' 
? icon to was 
about 
the 
;•?■ e oc tin 
bri 
Bling 
IvV'-l 
1 y * 
^ ♦ 
7h c? 
hole - ; 
^ * * * tu i t 
,V) * •. j *- - Vjl 
1U3 
V 
l 1 vy i , 
a 1 
> l. rd d 
its 
f A«o JWar Q* Jxd xt< 
be-’ I.? it. it---, dovno oo rd~ioo'-: lug posture w.*i« loth closed beak/ 
b a t - I do n c t - h -- y ■ » ■ fu r t ; tr $> c d O ' faci i\& . . a tor oou-ing together , ; ©irs 
( tfc* A*- «b d©o wJu ) 
•*ere also seen 
to look at their feet, jnet like Dl© e 1r Noddies, 
ti : ir sunning sstur 9 
is lust the jrtie. 
When dlettu ’roe their nests they fly are - A s human 
ra the r 
i ri t rud o r u :, f. s r i n g 
A 
'•hi oh ie/slci irr to the? croak of the 
Black -cc;y Vat 1 eo> * the initio 1 ©'rot. sjllevls^ % - &- tc, .i.i..yVi 
■ SK - Of t--rj i c Irorr ; 7 — L-_ l< ■ ■ — < — r r a > U . — ■ — - ■ r a.- - 1~— a i: a o ond -r 
TxkxxZz It hat been 1 ascribed ee r caw end is rresuto-o. bly 
c 11 riven in the posture i.l lustra lei by 7?. teou Pl,l Fig, •.$, 
Tho tg r . that 1 1 a a© s l 1 up ; > 1 
"1. ' • ;• * . 
v* V *v 
.' - ... c ■ n ;■ l o n a i e 
a p ; a ren tl y v is it c* d © .* 4 us 1 Ly ij ; i .1 v Pi jy human b a lags, we found tho 
' r • -a .. o 1: : y 1 i ■■ t i . c c 1 y e by s r tv - '■ 1 1? « B 1... c> «k *Jt 
f h ? n V ; o /•* 1 f» *? 
k,< *' * 
A r* 
,/ l 
: -u 1 1 ' A 1.0 a e bo 'r »v i ou. 
'egnr;.;l to tion 
>a 
! : ., ny Lc rue c. r.:y f 
akj? md the 
you 
n >• • ■ k e .1 i i e c t ly . 
ribed here) 
a n rl 
the Brewn Noddy and 
be en Mil.) a 
re 
known to feed their 
- ' 
recurs! ta ted 
novm feed their 
l:/ tu*- Black 
is me fchod i > .' ini v: O' /food diff roa e 
v ^ 
oO 
s eciss, T.u, Black-headed Gulls 
fo on from the /lr^n 
^ 4 f 
tf 
often take tno 
