*Research Internships – Ecology and Evolutionary Biology*Research interns are needed to assist in a multi-disciplinary,multi-investigator, experimental study of the evolution of speciesinteractions in Trinidad, West Indies. The research is led by ProfessorsDavid Reznick (University of California, Riverside), Joseph Travis(Florida State University), Tim Coulson (University of Oxford), and RonBassar (Williams College).  We seek to integrate multiple biologicalfields for the study of these interactions in experimental populationsof guppies and killifish in Trinidad. Duties include assisting inmonthly censuses of guppy populations in montane streams. The monthlycensuses include long hours in the field and laboratory.  There willalso be 12 days off between each census when interns can pursue anindependent project.Interns will be required to spend a minimum of 3-months in Trinidad,with possibility of extension. There are potential start dates in March2022 and every month thereafter until September 2024. We will coverall travel and living expenses and provide housing.*Qualifications:* We seek interns who are entertaining the possibilityof pursuing graduate studies in some area of ecology and evolution andwho wish to gain some additional field research experience before doingso.  Research will take place in semi-remote areas of Trinidad sometimesunder bad weather conditions. Applicants must be able to live and workwell with others. Research will involve carrying heavy packs overslippery and steep terrain. Applicants must be in good physicalcondition and be able to meet the demands of field research under theseconditions. Ability to drive a standard transmission vehicle isdesirable but not required. Applicants with first-aid/first respondertraining, skills in automobile maintenance, and construction skills arehighly desirable. Please address these skills when applying.Please see our website <;data=04%7C01%7C%7C32bc7c68dbd1491ade8f08d9f1f3274e%7C17f1a87e2a254eaab9df9d439034b080%7C0%7C0%7C637806848912465951%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&amp;sdata=4mbRI7nDKcXa1v8hxKXkuttqba5a%2B41f8vCX%2FvYje3k%3D&amp;reserved=0> for moreinformation on the project and access to reprints.Be sure to check outour video menu, which includes a “guppy censuses” as submenu VII.Itdetails the main tasks associated with the internship.Applicants should send cover letter, CV and the names and e-mailaddresses of three or more professional references to David Reznick( At least two of the references should be academics.