mishlink

as someone who works in the egg industry I can tell you there is no nutrtiional difference nor is the shell thicker , brown eggs cost more because the brown bird laying strains are generally larger heavier birds and eat more feed and thus the farmer is paid a premium to compensate (lay a bit less as well), there is the same amount of shell on a small egg as an XL egg so as the chichen gets older and lays larger eggs the shell gets thinner as it has to cover a larger area so a small egg will have a thicker shell than a larger egg, feed will affect the yolk colour , here in eastern Canada we feed a mostly corn based feed as there is more corn here which gives a nice yellow colour (6-7 on the scale) in the west were wheat is more abundant the feed is more wheat based and the yolks are much paler (4-5 on the scale) - flax seed is feed to produce the omega egg and a marigold extract in the flax feed is feed for an omega plus lutein egg which has a much darker orangish yolk (10-12 on the scale) . free range (not free run) chickens will produce a darker yolk as well as they will eat the bugs and things outside , free run do not go outside so yolk will be a normal colour, breed type and genitics determine egg colour as not all white chickens will lay wite eggs and not all brown chickens lay brown eggs , you can generally tell what colour eggs a chicken will lay by it's ear colour, so if you see a brown chicken breed with a white(ish) ear it will lay white eggs , of coarse there are a few exceptions to this rule but...

http://johnheald.files.wordpress.com/2009/12/mb-post-opening-presntation-compressed.pdf

is there no way then to get to and snorkle the reef that is in the bottom of the pic's? not allowed? looks like you could just walk down there unless they are stopping you? looks like a good snorkle area