  Page(s) sur la nature en baie
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Birds These different environments, salt meadows, shell banks, outlying marshes, are areas of great ornithological interest: reproduction, night feeding, overwintering and migratory stopping places for many species. 134 species of bird are recorded every year on the Bay. Located on the Atlantic migratory path, the Bay welcomes more than 54,000 shore birds (small waders) in January, which is more than 2% of the population of North-West Europe and about 12% of the population of the French coasts. The number of dunlins, oyster catchers, grey plover, black-tailed godwit, bar-tailed godwit and knot, exceeds on average, international levels of importance. The same is true for the curlew, since 1993.The Bay is also an important overwintering site for ducks and geese whose numbers indicate its international importance: 3,000 dark-breasted Brent geese, 2,500 shellduck, 6,000 coot are counted in winter.  Research center of the marine mammals The Fauna An exceptionally rich biological environment Fish The Bay of Mont-Saint-Michel has an exceptionally rich biological environment. It is, in fact, a unique reproduction and development site for flat fish, such as plaice and sole, and a temporary site for migrating fish such as salmon.Finally, the quality of the river water of the Sée and the Sélune means that salmon, which were scarce for a while, is now found in the Bay and is becoming more and more common. Marine mammals The Bay is also the home to marine mammals. A small colony of harbour seals prospers in the Bay, about 25 to 35 individuals have been counted, to which can be added a few gey seals. The populations are monitored by the Vivier-Cherrueix Bay Centre, in collaboration with scientists.
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A young tadorne 
