In connection with the nesting adaptations of the B* ack 
Notify . the Brown Noddy * e position is less certain, nesting as 
it doss both m tie ground and in bushee or even trees. Are all 
t he 86 sit q b e qua 1 i y a c c e p t& bi e t o t i i e s > eel c s , or s n o u 1 d 1 1 be 
6k*U* tXi 
regarded as a gr-rar/l -neater which is spreading into the 
. one of the 
or the reverse ? In the Dry To r tugs a , oxf Florida 
«*a m 
best known colonies , itfatxt&t oc e sioris cly nest • ! 1 the gr >U:id 
'Longotreet Dickinson) out this is quite exceptional, (horunt). 
A t an Au s t r alia n c olo ny Ta r r n > t i c e J t h a t t h e © a r 1 y n e s t e w e r e 
in bushes . the later ones on the ground, as U tae uutmes vrore 
preferred but could only scoo sedate a United nuuber. Id other 
-- - h- 4 s'- - -• • ** r ' -■ - : t. */r»l ' ^ *o " 
places where the birds nest on the ground this a ' pears to oe 
, : . 
- . •• • 
preferr s 1 to any other si. t© since o>. fn i. hil , discus > Lug tills 
relate out that on Ghris tmas Island the Brown '^oddy neats 
•ij£ t ■ 
on cliff ledges , though dense vegetation runs right to the too 
of the cliff, bo fs-r as rny generalisation La « t oresert possible 
•for the emclr-r an a whole, it aooosrs. that the bird oners to 
g*- - - W > _ • j ' _y - 4 1 * 'J jfc. jC* jQ|i »j _ , - . "t[ 
nc?st» off the p* po\xnd tisw*Lly in hushed. oufc lg *b Loss 
reluctant to nest, on level around than th.* ftoddy. In at 
Mu4‘amXu: 
least two respects, it shares some of the nesting 
of the Black -hod iy : t ; '% 
period is long 'about 43 days according to Oifeatai Hill). 
-- fore 
leaving tho natter it nay be point 1 out that 
nep tin v in relatively inaccessible cites if not tv only condition 
under which anti-predator rdaptationa such as cryptic oluvage 
cr;n b€ give-- up # /|n si tomstive is to neofc on •? '’1 1 ist^uds where 
