ENDERBTJRY ISLAND 
BIRDS 
R § F 
7a 
is possible to interpolate the annual cycle from the relative infrequent 
visits. v 0 
X X n X O i rftcoew *w —*$v«5C 
""VAe. ^ ;w\<xVg£L VVvftvvta^v* ot v\€ 2 >Vs e xVN Wa<&e«§» ©a 
Th?e—- in i: Table- sage^Ja aoGd on sur veys of the entire 
fa- n^- ^'p np.. y^e £nii.A<Q —< worn i i um> iV >W ,, Tfo 7^ »Hl 'u 
island wa-tb a r factor . , t h e p c rcew tagu uf n ests: 
v»u.t <X et. ii\un> vwjsv^^oey* 6 $ a^s 00 ere a AlAf 4> A .‘c. WVW*ft— ! v 
<*>Vy\( Ojer\ *>©^g»cX \ »cH ti^rrn—Mfr* 
looke d?. SIne e Tropicbirds nests are difficult to find j hra^a^-.mro ^be, 
:ix*s Yv '\ (ru Vte* siXi' . 
^TiciOCea 
>x& 
^0 t t r-^0 percent—of^ he number u f no 3 %-actually ^ ^un^d . T foo pr-u puir 4 d TirB 5 
~tx ^te - Vm\ »a tiifl {aV^CJC U—^\rn ^"‘7 S' ^^i Ti ^r P n\ yy U i W » V > < *V" ^ "ff \ *** i 
of—n ests with y e ung and ■ ■ ■nee - t-O" with Q g ^~ ^e"- - Qonoiot o n t - a> nd r ^h i&--pTOp^4^on 
Wsa=c- L'« *.. • * * "flu 1 1 i* iT l717s 43*\»* 'Y&^V Ovx>0 Ore C-ckxaVs V%CM^e 
l’ e 7^rmi g ^^ i tttaaa«Ah c■ t e rfato b n um be r njf awfe -s. . . A 
<3fveva\\^ Y^^v^.s^.\e<$L ^vtw\S^ - 7i> 9© +fe V>veeoiW\a^^ 07 ^^^ 
Table 
w^a4^4 sa^ - ^^^facbird H W'Q i |^ ' g o fc Bnde^ibw y 
February July x ™_- 
1963 —- ~Jm) 3as (* 17 %) to. a & (Vo %) 
>^h1J24 
November 
6 - 1-00 
0 6 > ^ i<»&) 
160-' 
I 89 - 56 -IIO 
) 
3H<H 56%) o . -2^1 = l i ' 6, 
66 V m O>^^ r>o^m\*eTS 6 T W^€A^ \ 
The first figure represents the numbor-of- - aest s wi th-~ - an -■ @ g g, the seconc 
PO>rVs Ow 0 ^ V\C5^^ ^OnwmA 
numbe^ - wl - th -- st m:l±~^rruks-- -a^ - "f ho third-1 hc-num b op-i^hr' ' lar^^lTic i 3?s . 
The first eggs are laid in January or February as indicated by the two 
\pofr 0 $ »c> ^><oWvA^. 
February counts given above. 1- 3^—May - j-—196^ ■ t ^fa ere" wore 60 large—young (±tc T, 
($vut~ 90 days ^ld) pre e^ 
i-n"-tiie 
early.pa r t ■ o f-ffe t r c h T- In November of 1965 and 1964 there were still a number 
o.VoaV “?£ dlays \>*fm 
of large young present which must have hatched from eggs laid p r J -^ r ^t0 HM - 
^«Vv\«x^5 { vs ecXrf A ^y . f 0 ^ JTVie. tic^v\u.a,\ <k^cL^CS 'v% 
. These., f ipp wfefc4 -- indica te that, -~-exoe.pt .^ 
S o Yr 7 ^ >^trr TvUXA ^ V^w ficfcJ 
f(^--4^-^wrra^T~HTid lat e-^^gg s y - 'e^ - % a ^T^sterb s :, ^r^^.r^ mrcEapd oontihre^ 
a? 
.\ » 
and con_ 
►. Vo Voe c\- VH 6 V^C 
ACV<CcSe 
into., August. There~4^~a ~ p e ate- -per 1 o'd'yr^^gg^^y a-y ir . Tg“- f- ro m^arbe^ M l ate— 
cudL cSlea ^ea,^ \*A vves^A^ (XglVco ;Vf ^av\ iv\ 
Jime—to.t"^robably _nQ... sharp.4ncr aa£ie..,.t nn. nir... ui err pR S ^ £r^m^-4h4y^ . 
W^aov peavc Va . ** **>\ u 0 . 0 e s>©**e u^\ac*v \<\q>3 %%Ace / hr 
A Vc&vaVU-( V®W& ® vnirK-‘» *•« f^q>p^atB^^> (^“7 — 13* 
ft. V°* > »*St/ s r' pv*p*4^-A>-*-w sp d^*^"*-** e Aor 3p? 
Reproduction : The birds nest in a variety of habitats Fffrvft mv mi..r utmmiA the 
a V«^ >v<sV s»vt5»s 
island and concent rat e^wt^in areas (»f -f - arV Q -rable habita t. Along the west 
^ sav^vcaS^/ 
side and to a lesser extent on the south and east sides ^abir , TO > t gg3^a-l i&ve 
