Crocodile Movements
Author Information
Author(s): Mark A. Read, Gordon C. Grigg, Steve R. Irwin, Danielle Shanahan, Craig E. Franklin
Primary Institution: Queensland Parks and Wildlife Service
Hypothesis
How do translocated estuarine crocodiles navigate and return to their original capture sites?
Conclusion
Translocated estuarine crocodiles exhibit strong site fidelity and remarkable navigational skills, returning to their capture locations over long distances.
Supporting Evidence
- All three crocodiles returned to their original capture sites after being translocated.
- Crocodile C traveled over 400 km in 20 days to return home, the longest recorded for a crocodilian.
- The study used satellite telemetry, which allowed continuous monitoring of the crocodiles' movements.
Takeaway
Crocodiles that are moved to new places can find their way back home, even if it's really far away.
Methodology
Three large male estuarine crocodiles were captured and fitted with satellite transmitters to track their movements after translocation.
Limitations
The study was limited to three individuals, which may not represent the entire population's behavior.
Participant Demographics
Three large male estuarine crocodiles, Crocodylus porosus, measuring between 3.1 and 4.5 meters.
Digital Object Identifier (DOI)
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