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Showing 1 to 1 of 1 for “"Ring-billed gull--Ontario--Port Colborne."”.
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Broad reduction and adoption in ring-billed gulls (Larus Delaworensis): the potential for inergenerational conflict
… and intra-clutch hatch intervals in the Ring-billed gull (Larus delawarensis) were documented during the peak nesting period of two consecutive breeding seasons, at a colony near Port Colborne, Ontario. Egg size decreased with laying order; third laid eggs were significantly smaller than …