Genetic evidence links invasive monk parakeet populations in the United States to the international pet trade
2008

Genetic Links of Invasive Monk Parakeets to Pet Trade

Sample size: 73 publication Evidence: high

Author Information

Author(s): Russello Michael A, Avery Michael L, Wright Timothy F

Primary Institution: University of British Columbia Okanagan

Hypothesis

What are the genetic origins of invasive monk parakeet populations in the United States?

Conclusion

The study suggests that the international pet trade has contributed to the establishment of invasive monk parakeet populations in the United States.

Supporting Evidence

  • Three haplotypes from the native range were found in U.S. populations.
  • The genetic distinctiveness of M. m. luchsi supports its allospecies status.
  • Previous trapping records align with genetic findings, indicating a source from eastern Argentina.

Takeaway

Scientists studied monk parakeets in the U.S. to find out where they came from, and they discovered that many of them likely came from the pet trade in South America.

Methodology

The study involved genetic assessment using mitochondrial DNA from 73 museum specimens and samples from invasive populations in the U.S.

Potential Biases

Potential bias in sampling due to reliance on museum specimens and specific geographic locations.

Limitations

The study primarily focused on mitochondrial DNA and did not include nuclear data.

Participant Demographics

The study included monk parakeets from various locations in South America and the eastern United States.

Statistical Information

P-Value

p<0.0001

Statistical Significance

p<0.0001

Digital Object Identifier (DOI)

10.1186/1471-2148-8-217

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