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Article: Novel island species elucidate a species complex of Neotropical…
Article: Novel island species elucidate a species complex of Neotropical crocodiles
Wide geographic distribution
Coastal
Inland
Island
Methods
Morphological analysis
Skull shape
Genomic data
First time applied at this scale in crocodiles
Combined approach
Genetics
Geography
Physical traits
Key Findings
Species Differentiation
C. rhombifer
Multiple groups of C. acutus
C. moreletti
Species Complex
C. acutus is not just one species
High Genetic Diversity
More genetically different than expected
Morphological Clines
Skull shapes change gradually across populations
Island Populations
Unique genetics
Distinct traits
Evolutionary Implications
Island isolation → drives divergence
Cryptic species = look similar but genetically distinct
Evidence of rapid and recent evolution
Broader Significance
Impacts
Species classification
Management of crocodile populations
Conservation strategies