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The Wolf Of The River – The Giant River Otter

The Tamshiyacu-Tahuayo Regional Conservation Area is home to several endangered species including the Giant River Otter (as listed by the IUCN). Despite shrinking populations in other regions, here in the Tahuayo Region, these amazing creatures have made an incredible rebound over the past decade. But this recovery was not an accident. It was a direct result of the successful introduction of community-based ecotourism initiatives in this region. 

Also known as the Lobo Del Rio “River Wolf” the Giant River Otter (Pteronura brasiliensis) is the world’s largest otter. At some 6 feet long, it lives only in the rivers and streams of the Amazon Rainforest. While the Giant River Otter is classified as “Endangered” on the IUCN Red List (2008). Here on the Tahuayo, the population is relatively abundant. Many different family groups are frequently spotted by our guests. Sadly, this was not always the case. When we first began working in the Tahuayo region over 30 years ago, Giant River Otter sightings were quite rare. Hunting for their pelts by local people had largely driven them from the area.

For years, we worked closely with the local communities along the Tahuayo encouraging and teaching the long-term benefits of conservation vs the short-term gains of hunting. For example, instead of hunting, we would collaborate with locals to help build trails, track wildlife, work in maintenance, construction, and work as guides. It took years to carefully maintain this partnership and trust with local communities. However, in the end, all this work paid off as we were finally able to end the hunting of river otters and (largely decrease hunting activities overall) in the Tahuayo River Basin. 

Giant river otters are present year-round on the Tahuayo, however, July, August, and September are the perfect time to see these incredible animals at both our Tahuayo Lodge & Research Center Lodge as the quickly falling water levels make them easier to spot.

To learn more about these incredible animals please enjoy the presentation below by Amazonia founder Dr. Paul Beaver for the Kirloskar Vasundhara International Film Festival (KVIFF), 2021.

Do you know of other tourism initiatives that have been successful at restoring endangered animal populations? Let us know in the comments below!

Erika

Our time in the jungle was an absolute highlight on our trip to Peru! Truly amazing! …Again, we had the most wonderful time. Almost more than words can say. The jungle and the Tahuayo Lodge hold very special places in our hearts and CAN NOT WAIT to return. Thank you again for offering such an amazing trip.

Renee

Our trip was INCREDIBLE. The lodge was great, the food was amazing, and the staff were all so friendly. We loved our stays at the B&B, the main lodge, and the ARC.

Tia & Paula

It was incredible and a trip of a lifetime Paul! My sister Paula and I had an amazing time and loved everything — your facilities and staff are top notch and I want to come back with my husband and daughters!!

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Estefani Mishel Maytahuari

Mishel got her degree in tourism from Nauta Institute in 2016. After working as a guide with other companies, Mishel came to study with Amazonia Expeditions as a training guide in 2023. Mishel was promoted to head guide in 2025.

Leyner Arian Ijuma

Leyner got his degree as a tour guide in 2010 at the Nauta Institute and came to work at Amazonia Expeditions in 2021. He was promoted to head guide in 2023. He has biological field work experience from supporting Nicholas Gardner of the University of Florida who he helped study the adaptations of birds in seasonally flooded igapo forests. Birding is one of Leyner's strongest skills.

Julio Pacaya

Julio finished his studies as a tour guide at the Nauta Institute in 2016 and came to work as a training guide with Amazonia Expeditions in 2021. He was promoted to head guide in 2023. Nature photography and birding are among Julio's strongest skills. Julio is fluent in English and French, as well as his native tongue of Spanish.

Claudio Huayllahua Sánchez

Claudio was born and grew up in El Chino Village on the Tahuayo River. He studied primary school in El Chino and continued his education in Iquitos, earning a technical degree from SENATI Institute. He started working for Amazonia Expeditions in 2014 as a field research assistant with several biologists and as an assistant guide. Claudio was promoted to head guide in 2017 and is our camping and jungle survival specialist.

Hersog Chavez Yuyarima

Hersog first got the idea of becoming a guide after watching the tourist boats going by his village every day. He was fascinated that tourists would come to see his home and he loved the way that the guides he saw did their work. He knew that someday he wanted to be just like them. Hersog studied at technical school for 3 years leaning the basics of guiding. After graduating, Hersog worked as a guide for several years working with Peruvian tourists, later coming to work for Amazonia in 2017. Hersog was promoted to head guide in 2019. He has worked as a field research assistant in the study of the elusive pygmy marmoset. Hersog is known for his sharp eyes and his unique stories about the jungle.

Lander Juan Peña Ramirez

Lander was born in the remote jungle community of Santa Victoria. His boyhood dream was to become to best jungle guide in the Amazon. Lander studied at a local institute for several years where he learned basic English and the foundations of the being a tour guide. Later he worked for several years at other jungle loges as a guide, honing his skills as a survival camping guide. Lander came to work for Amazonia Expeditions in 2017 and along with a strong interest in birding and fishing is also one of our lead camping and survival guides.

Aladino Jr. Hidalgo

Aladino was born and raised in El Diamante Village along the Blanco River and attended school in the community of “Valentin” on the Tahuayo River. During this period, Aladino worked with his father as a trailblazer, assisting primate researchers who came to study at a local field station. Afterwards, he moved to Lima where he worked for several years while studying guiding & English. Upon returning in 2019, he was hired by Amazonia as a field assistant and actively supported researchers studying giant river otters, pygmy marmosets, and various bird species. He then joined Amazonia Expeditions as a guide assistant and was later promoted to head guide in 2022.

Jhony Hidalgo

Jhony was born and raised in El Diamante Village along the Blanco River. He attended primary school in his home village and high school in the community of “Valentin” on the Tahuayo River. Jhony later pursued further studies in Iquitos, where he obtained a guide degree from the Milagro Fe & Alegria Institute. After graduating, he worked at the Amazon Rescue Center in Iquitos (CREA), guiding visitors to the center. In 2021 he joined Amazonia Expeditions as a guide assistant and was promoted to head guide in 2023.

Sila Hidalgo

Sila was born and raised in El Diamante Village along the Blanco River. She attended primary school in Diamante village and high school in the community of “El Chino” on the Tahuayo River. Her family moved to El Chino so Sila could attend high school, as it was the closest village offering secondary education. Later, Sila joined our Angels (AoA) scholarship program to further her education in Iquitos, where she earned a guide degree from the Milagro Fe & Alegria Institute. She completed her internship at Tahuayo Lodge. After graduating, Sila began her career with Amazonia Expeditions as a guide assistant and was promoted to head guide in 2022.

Welister Perez

Welister grew up in the small community of Padre Cocha just outside of Iquitos City. He lived there for most of his life, and later worked at several jungle lodges before starting at Amazonia Expeditions. Welister has proven himself as both a talented jungle man and team player with an eagle eye for spotting wildlife. After several months of training with Amazonia he was promoted to a head guiding position in 2017.

Javier Anibal Alván Arévalo

Javier has worked at the Amazonia Expeditions lodges for 10 years, starting as a young teenager as an assistant in building repair, then moving up to motorboat pilot, then camping assistant and assistant guide, and after passing his guide exams with high grades was promoted to head guide in 2014. Javier is also our Canopy Zipline specialist and has taken professional certification classes in Costa Rica. Javier is also a fishing specialist and is beloved by families with children.