On their 2007 private tour to Pantanal
… “We would like to thank you for arranging our excellent trip to Brazil. We thoroughly birding with Lucas. He was an excellent birding guide.He was extremely patient, helpful and knowledgeable. We also enjoyed Sergio’s scientific expertise, and had interesting historical and cultural discussions with him.
We are interested in returning to Brazil and Argentina in the future and will contact you first . We hope to work with you again.
Barbara and Jim Leupold