Publications

Peer-Reviewed Journal Articles

Erkenswick G., Watsa M, Gozalo A.S., A.S., Dudaie, S., Bailey, L., Muranda, K.S., Kuziez, A. and Parker, P.G. (2019). A multiyear survey of helminths from wild saddleback (Leontocebus weddelli) and emperor (Saguinus imperator) tamarins. Amer. J. Primatol. DOI: 10.1002/ajp.23063  pdf       summary

Souza-Alves JP, Watsa, M, 62 other authors & Barnett AA. (2019) Terrestrial behavior in titi monkeys (Callicebus, Cheracebus and Plecturocebus): Potential correlates, patterns and differences between genera. International Journal of Primatology. pp1-20. https://doi.org/10.1007/s10764-019-00105-x     pdf  summary

Watsa M., Erkenswick G., Pomerantz A., Prost S. (2019). Genomics in the Jungle: Using portable sequencing as a teaching tool in field courses. Biodiversity and Conservation. bioRxiv preprint at https://bit.ly/2LEbicO

Robakis, E., Watsa, M., and Erkenswick, G. (2018). Classification of producer characteristics in primate long calls using neural networks. The Journal of the Acoustical Society of America, 144 (1), 344-353. doi.org/10.1121/1.5046526   pdf   summary

Watsa, M., Erkenswick, G.A., and Robakis, E. (2017). Modelling 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     summary

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 Review

Robakis, E., Watsa, M., and Erkenswick, G.A. (In review). Transmission of and attendance to breeding status in the vocalizations of cooperative breeders. International Journal of Primatology. bioRxiv preprint

Watsa, M., Erkenswick, G., Pomerantz, A., Prost, S. (In review). Portable sequencing as a teaching tool in conservation. PlosBio.

Sacco, A., Mayhew, J. A., Watsa, M., Erkenswick, G.A., and Binder, A. K. (In review). Validation of the detection of neopterin in the urine of New World monkeys using a commercial ELISA kit. BMC Zoology.

First Author Manuscripts in Preparation

Watsa, M. Erkenswick, G., Swamy, V., Pomerantz, A., Hill, K.C., Aguilar, A. P. P., Diaz, G. I., Prost, S. (In prep). Decoding the Amazon: A field DNA barcoding protocol using portable sequencers. For submission to Conservation Biology.

Watsa, M., Erkenswick, G., Pomerantz, A., Chen, J., Khadpekar, Y., Pilfold, N.W., Clinton, S. L., Viña, A., Rudin, D., McElroy, M., Schmitt, A., Paz, M., Brack, J., Dainko, D., Park, D. J., Cave, S., Prost, S. (In prep). In situ population genetics: A primer on Peruvian tamarins via ddRADSeq on a MinION sequencer. For submission to PLOS One.

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

Collaborative Manuscripts in Preparation

Erkenswick, G., Watsa, M., Pomerantz, A., Park, D. J., Cave, S., Schmitt, A., Rudin, D., Viña, A., Paz, M., Chen, J., Khadpekar, Y., Pilfold, N.W., Clinton, S. L., McElroy, M., Brack, J., Dainko, D., Prost, S. (In prep.). Parasite and microbiome comparisons between captive and wild primates in the Peruvian Amazon. For submission to PLOS One.

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

Poirier, A., Watsa, M., Erkenswick, G., Melin, A. (In prep) On the trail of primate scent signals: first field analysis of tamarin scent-gland semiochemistry by portable gas chromatography-mass spectrometry. For submission to the American Journal of Physical Anthropology.

Lescano, J., Erkenswick, G., Watsa, M., Quevedo, M., Guadalupe-Aliaga, G. Natural Leptospira spp. exposure among select Amazonian mammals. For submission to Journal of Wildlife Diseases.

De Vries, M., Erkenswick, G., Watsa, M. How “edgy” are tamarins? A preliminary investigation of spatial variation in the behavior of two sympatric callitrichids.

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

Other Selected 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 the 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)

Watsa, M. 2018. #Junglegenomics: Teaching Tropical Biology and Genetics in the Amazon Rainforest. National Association of Biology Teachers, San Diego, November 9.

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: modelling 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