March 2, 2021

084 Beady Brains on the Move

This episode we delve into the problem solving capabilities of some large lizards, and uncover the lifestyle of Guatemalan beaded lizards. We also discuss the mysterious black beasts that inhabit the Caribbean Islands of the Lesser Antilles.


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Main Paper References:

Ariano-Sánchez D, Mortensen RM, Reinhardt S, Rosell F. 2020. Escaping drought: Seasonality effects on home range, movement patterns and habitat selection of the Guatemalan Beaded Lizard. Global Ecology and Conservation 23:e01178. DOI: 10.1016/j.gecco.2020.e01178.

Cooper T, Liew A, Andrle G, Cafritz E, Dallas H, Niesen T, Slater E, Stockert J, Vold T, Young M, Mendelson J. 2019. Latency in Problem Solving as Evidence for Learning in Varanid and Helodermatid Lizards, with Comments on Foraging Techniques. Copeia 107:78. DOI: 10.1643/CH-18-119.

Species of the Bi-Week:

Breuil M, Schikorski D, Vuillaume B, Krauss U, Morton MN, Corry E, Bech N, Jelić M, Grandjean F. 2020. Painted black: Iguana melanoderma (Reptilia, Squamata, Iguanidae) a new melanistic endemic species from Saba and Montserrat islands (Lesser Antilles). ZooKeys 926:95–131. DOI: 10.3897/zookeys.926.48679.

Other Mentioned Papers/Studies:

Crawford, L. E., Knouse, L. E., Kent, M., Vavra, D., Harding, O., LeServe, D., ... & Lambert, K. G. (2020). Enriched environment exposure accelerates rodent driving skills. Behavioural brain research, 378, 112309.

Other Links/Mentions:

Varanus prasinus opening a door:

Heloderma charlesbogerti opening a door: 


Intro/outro – Treehouse by Ed Nelson

Species Bi-week theme – Mike Mooney

Other Music – The Passion HiFi,


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