Red List Assessments

A primary objective of the Iguana Specialist Group is to provide the scientific data that enables a status assessment for the IUCN Red List of Threatened Species. Assessments can be downloaded from the Red List site. The following assessments have been updated recently by ISG members.


Brachylophus bulabula — Endangered A2bce+4bce
Fisher, R., Grant, T. & Harlow, P. Published 2012.


Brachylophus fasciatus — Endangered A2abce+4abce
Fisher, R., Grant, T. & Harlow, P. Published 2012.


Brachylophus vitiensis — Critically Endangered A2abce
Harlow, P., Fisher, R. & Grant, T. Published 2012.


Conolophus marthae — Critically Endangered B1ab(iii,v)+2ab(iii,v); C2a(ii)
Gentile, G. Published 2012.


Ctenosaura bakeri — Critically Endangered B1ab(i,ii,iii,v)
Pasachnik, S.A., Martinez, A. & Perez, M.S. Published 2011.

Maryon, D., Ardon, D., Martinez, A., Clayson, S. & Pasachnik, S. Published 2018.


Ctenosaura melanosterna — Endangered B1ab(i,ii,iii,iv,v)
Pasachnik, S., Montgomery, C. & Henningheim, E. Published 2012.


Ctenosaura nolascensis — Vulnerable D2
Reynoso, V.H. & Pasachnik, S.A. Published 2012.


Ctenosaura oedirhina — Endangered B1ab(iii,v)
Pasachnik, S., Ariano-Sánchez, D., Burgess, J., Montgomery, C.E., &
Köhler, G. Published 2015.


Ctenosaura palearis — Endangered A4acd; B1ab(i,ii,iii,iv,v); C2a(i)
Ariano-Sánchez, D. & Pasachnik, S.A. Published 2011.


Ctenosaura praeocularis — Data Deficient
Hasbún, C.R. & Pasachnik, S.A. Published 2011.


Ctenosaura similis — Least Concern
Pasachnik, S. Published 2015.


Cyclura collei — Critically Endangered B1ab(iii)+2ab(iii)
Grant, T.D., Gibson, R. & Wilson, B.S. Published 2010.


Cyclura lewisi — Endangered B1ab(iii)+2ab(iii)
Burton, F.J. Published 2012.


Cyclura nubila caymanensis — Critically Endangered A3bce+4abce
Goetz, M. & Burton, F.J. Published 2012.


Cyclura nubila nubila — Vulnerable A2abce+4abce

González Rossell, A., Berovides, V., Alonso Tabet, M. & Cobián Rojas, D. Published 2018.


Cyclura onchiopsis — Extinct
Powell, R. Published 2011.


Iguana delicatissima — Critically Endangered A3ce
Breuil, M., Day, M. & Knapp, C. Published 2010.

van den Burg, M., Breuil, M. & Knapp, C. Published 2018.


Iguana iguana — Least Concern

Bock, B., Malone, CL, Knapp, C., Aparicio, J., Avila-Pires, T.C.S., Cacciali, P., Caicedo, J.R., Chaves, G., Cisneros-Heredia, D.F., Gutiérrez-Cárdenas, P., Lamar, W., Moravec, J., Perez, P., Porras, L.W., Rivas, G., Scott, N., Solórzano, A. & Sunyer, J. Published 2018.


Sauromalus hispidus — Near Threatened
Montgomery, C.E. & Mayer, G.C. Published 2010.