Publications

Peer-Reviewed Journal Articles

Watsa, M., Erkenswick, G.A., and Robakis, E. (2017). Modeling developmental class provides insights into individual contributions to infant survival in callitrichids. International Journal of Primatology, 38(6): 1032-1057  doi.org/10.1007/s10764-017-9995-4    pdf

Erkenswick, G.A., Watsa, M., Pacheco, M.A., Escalante, A.A. and Parker, P.G., 2017. Chronic Plasmodium brasilianum infections in wild Peruvian tamarins. PloS one12(9), p.e0184504. doi.org/10.1371/journal.pone.0184504    pdf

Adams, D. B., Rehg, J. A., & Watsa, M. (2017). Observations of termitarium geophagy by Rylands’ bald-faced saki monkeys (Pithecia rylandsi) in Madre de Dios, Peru. Primates, 1-11. doi: 10.1007/s10329-017-0609-8     pdf

Erkenswick, G. A., Watsa, M., Gozalo, A. S., Dmytryk, N., & Parker, P. G. (2017). Temporal and demographic blood parasite dynamics in two free-ranging neotropical primates. International Journal for Parasitology: Parasites and Wildlife, 6(2), 59-68. doi.org/10.1016/j.ijppaw.2017.03.004      pdf

Watsa, M., Erkenswick, G. A., Halloran, D., Kane, E. E., Poirier, A., Klonoski, K., Cassalet, S., Maciag, E., Mangalea, M. R., Dinsmore, M. P., McCready, H., Boughan, B. K., Parker, C., Hickmott, A., Nole, I. E., & Zuñiga, A. 2015. A field protocol for the capture and release of callitrichids. Neotropical Primates 22 (2): 59-68     pdf

Watsa, M., Erkenswick, G., Rehg, J. Leite Pitman, R. 2012. Distribution and new sightings of Goeldi’s monkey (Callimico goeldii) in Amazonian Perú. International Journal of Primatology 33(6): 1477-1502 doi:10.1007/s10764-012-9632-1     pdf

Manuscripts in Submission

Souza-Alves JP, Watsa, M, 62 other authors & Barnett AA. (In review) Terrestrial behavior in titi monkeys (Callicebus, Cheracebus, and Plecturocebus). American Journal of Primatology

Robakis, E., Watsa, M., and Erkenswick, G.A. (In review) High arousal vocalizations follow motivation-structural rules in free-ranging emperor tamarins (Saguinus imperator subgrisescens). American Journal of Primatology.

Robakis, E., Watsa, M., and Erkenswick, G.A. (In review) The role of long distance vocalizations in communication breeding status and facilitating dispersal in cooperatively breeding callitrichids. American Journal of Primatology.

Robakis, E., Watsa, M., and Erkenswick, G.A. (In review) Classification of producer characteristics in primate long calls using neural networks. International Journal of Primatology.

First Author Manuscripts in Preparation

Watsa, M., Moreira, L.A.A., Erkenswick, G. A. and Melin, A. (In prep) Visual cues of age and breeding status in callitrichids. American Journal of Physical Anthropology

Watsa, M., Erkenswick, G. A., Lopez-Clinton, S., & Villanyi, A. (In prep) A population viability analysis of free-ranging tamarins in southeastern Peru. For submission to the American Journal of Primatology

Watsa, M., Erkenswick, G. A., & DiFiore, T. (In prep) Relatedness and paternity in a multi-generational population of tamarins. For submission to Biology Letters.

Watsa, M., Pacheco, L. & Melin, A. (In prep) The interplay of taste, vision and olfaction in free-ranging callitrichids.

Collaborative Manuscripts in Preparation

Erkenswick, G. A., Watsa, M., & Alain Escobar (In prep) A review of the risks of chiroptera consumption by Neotropical primates. For submission to Primates.

Erkenswick, G.A., Watsa, M., Honap, T.P., Stone, A., Parker, P. (In prep) Targeted screening of natural primate reservoirs in the Neotropics for the causative agents of malaria and tuberculosis. For submission to the Journal of Wildlife Diseases.

Rehg, J.A., Watsa, M., Erkenswick, G.A & Porter, L. (In prep) Review of plant diet diversity in Saguinus fuscicollis. For submission to Primates.

Erkenswick, G., Watsa, M., Wylie, K., Arant, E., Parker, P. (In prep) A new era for wild primate host parasite examination: efficiencies of 18S rRNA deep sequencing. For submission to the American Journal of Primatology.

Erkenswick, G. Watsa, M., Gozalo, Wylie, K., Parker, P. (In prep) How much does relatedness matter? Intestinal parasite-host specificity across 11 species of sympatric Neotropical primates. For submission to Ecology.

Erkenswick, G., Watsa, M., Dudaie, S., Muranda, K., Parker, P. (In prep) Longitudinal intestinal parasite dynamics in two Neotropical primate species. For submission to the International Journal for Parasitology.

Erkenswick, G., Watsa, M., Parker, P. (In prep) The potential for noninvasively monitored parasites to predict instability in natural host populations. For submission to Conservation Biology.

Selected Other Publications

Watsa, M., Erkenswick, G. A., & Halloran, D. 2016. Capture-and-release protocol for the Callitrichidae and other small mammals. Technical Report. Field Projects International

Watsa, M. 2015. 200,000 of Peru’s primates trafficked for pet trade or bushmeat yearly. Mongabay Series: Latin American Wildlife Trade; http://bit.ly/2ejfv7f

Watsa, M. 2015. Policing domestic wildlife trafficking in Peru. Mongabay Series: Latin American Wildlife Trade; http://bit.ly/2dZmoam

Watsa, M. 2015. Mining at the heart of the Mother of God: Peru’s gold rush claims more forest. Mongabay.org; http://bit.ly/2eqeWD2

Watsa, M. 2015. Fracas over Costa Rican shark-fin exports leads American Airlines to stop shipping fins. Mongabay.org; http://bit.ly/2dZmlvb

Watsa, M. 2015. One of Brazil’s rarest primates still holds out in single patch of rainforest. Mongabay.org; http://bit.ly/2eitk20

Abstracts and Professional Presentations (*presenter in bold)

Robakis, E., Watsa, M., Erkenswick, G. 2017. Group membership, individual identity, and sex encoded in Saguinus imperator long calls. American Association of Physical Anthropologists Annual Meeting, April 19-22

Watsa, M., and Erkenswick, G. Tamarin hips don’t lie: modeling breeding status from reproductive morphology in the saddleback (Saguinus weddelli) and emperor (S. imperator) tamarin. 2016. International Primatological Society/American Society of Primatology Joint Meeting, August 21-27

Banda, K., Erkenswick, G., Watsa, M., and Stryker, G.A. 2016. An investigation of the effects of seasonality on the parasite richness of saddleback tamarins (Saguinus weddelli). International Primatological Society/American Society of Primatology Joint Meeting, August 21-27

Erkenswick, G., Watsa, M., Estrada, G. R., Robakis, E., de Vries, M., and Anderson, J. A. 2016. An analysis of spatial associations by home range overlap and land-use densities between free-ranging groups of saddleback (Saguinus weddelli) and emperor (S. imperator) tamarins in Peru. International Primatological Society/American Society of Primatology Joint Meeting, August 21-27

Watsa, M., Erkenswick, G. and López Clinton, S. Reproductive status affects scent-marking behavior in a free-ranging group of saddleback tamarins (Saguinus weddelli) with multiple breeding females in Peru. 2016. International Primatological Society/American Society of Primatology Joint Meeting, August 21-27

Watsa, M., Erkenswick, G. A., Rasmussen, D. T. 2015. Age belies reproductive status in a wild population of Saguinus fuscicollis and S. imperator in southeastern. American Association of Physical Anthropologists Meetings, March 25-28.

Honap, T.P., Housman, G., Erkenswick, G., Malukiewicz, J., Boere, V., Machado Periera, L., Grativol, A.D., Ruiz-Miranda, C.R., De Oliviera E Silva, I., Watsa, M., Stone, A.C. 2015. Investigating the presence of mycobacterial pathogens in New World primates. American Association of Physical Anthropologists Meetings, March 25-28.

Honap, T.P., Pfister, L-A, Erkenswick, G., Watsa, M., and Stone, A. 2015. Analysis of a nonhuman primate Mycobacterium leprae strain: implications for zoonotic transmission of mycobacterial pathogens. Society for Molecular Biology and Evolution Meetings, July 12-16

Honap, T. P., Housman, G., Erkenswick, G., Malukiewicz, J. Boere, V., Pereira, L. C. M., Grativol, A. D., Ruiz-Miranda, C. R., E Silva, I. D. O, Watsa, M., and Stone, A. C. 2015. Investigating the presence of mycobacterial pathogens in New World primates. American Association of Physical Anthropologists Meetings, March 25-28.

Robakis, E., Watsa, M., and Erkenswick, G. 2015. Preliminary Analysis: The Vocal Repertoire of the Emperor Tamarin (Saguinus imperator). 2015. American Association of Physical Anthropologists Meetings, March 25-28.

Watsa, M. A revision of field methods for capturing and marking free-ranging saddleback tamarins (Saguinus fuscicollis) and emperor tamarins (Saguinus imperator). 2012. International Primatological Society Meetings, August 13-17

Leite Pitman, R., Adams, D.B., Watsa, M. 2012. A lethal case of malignant lymphoma in a wild squirrel monkey (Saimiri boliviensis), in the Peruvian Amazon. American Journal of Primatology. 147(S54): 237-238.

Erkenswick, G.A., Watsa, M., Rheg, J. A., Pitman, R. L. 2012. Distribution and new sightings

of Goeldi’s monkey (Callimico goeldii) in Amazonian Peru. International Primatological Society Meetings, August 13-17

Rehg, J.A., Watsa, M., and Erkenswick, G. A. 2011. Demografía, ecología, y comportamiento de los calitriquideos al Centro de Investigación y Capacitación Rio Los Amigos en Madre de Dios, Peru. Primatologia en el Perú: Historia, Estado Actual y Perspectivas, October 19-22

Adams, D.B., Rehg, J.A., Watsa, M. 2011. Observations of termitarium geophagy by Pithecia irrorata, monk saki monkeys, in Madre de Dios, Peru [abstract] American Journal of Primatology. 73 (S1): 18

Watsa, M., H. Pontzer. 2008. Does increased ranging effort result in fewer wasted menstrual cycles? [abstract]American Journal of Physical Anthropology. 135 (S46): 218

Watsa, M. 2007. Identification of polymorphic markers in the Rhesus macaque (Macaca mulatta) genome [abstract]. American Journal of Physical Anthropology. 132 (S44):245