Major body size change in an extinct tropical island mammal associated with glacial-interglacial environmental shifts.

61 However, tropical savannas can also show high primary productivity, 62 , 63 and other studies have shown a possible trend of increasing body size across multiple small mammals in relation to increased habitat fragmentation rather than connected forest habitat, although this might reflect an “island” isolation effect rather than being associated with changing habitat openness. 64 , 65 More research is required into the relationship between body size variation and habitat structure and productivity in small mammals, and into the ecosystem parameters of successive Caribbean Quaternary environments.

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