Oyster Shells

Oyster Shell Grit is a product which birds will consume in small quantities to help them produce strong egg shells. It also helps bone development and aids digestion. Oyster shells for birds contain high levels of calcium which are slowly released during digestion, with the benefit to garden birds being especially so in the breeding season to help them produce healthier eggs. Crushed oyster shell for birds should be fed from a covered feeder of the types used for live foods such as this Robin Feeder!.