Food resources as a limiting factor for species distribution

The snail kite (Rostrhamus sociabilis) is a specialist that feeds on only one specific type of snail.By comparison,the Mallard Duck (Anas platyrhynchos) is a generalist that feeds on diverse food sources.Whereas the snail kite has a very limited range,the Mallard Duck has a very broad range.The snail kite's diet is an example of a(n)

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The snail kite's diet is a specific food resource that limits its distribution, making it an example of a limiting factor. The Mallard Duck, on the other hand, has a broad range due to its ability to feed on a variety of different food sources.

Food Resources as a Limiting Factor for Species Distribution