Eugenia Zarza
@eugeniazarza.bsky.social
Researcher @ECOSUR, Mexico. Interested in studying biodiversity, evolution, bioinformatics; IUCN Iguana Specialist Group
Went for a run early enough to catch the Tacaná volcano silhouette against the sunrise colours. It is an active volcano but it has been calm for almost 40 years, I hope it continues like that 🌋🇲🇽
November 28, 2025 at 5:21 PM
Went for a run early enough to catch the Tacaná volcano silhouette against the sunrise colours. It is an active volcano but it has been calm for almost 40 years, I hope it continues like that 🌋🇲🇽
Who ate the bread?!
November 1, 2025 at 7:19 PM
Who ate the bread?!
Day of the Dead altars in the lab, honouring some of the scientists we lost this and past years. 🇲🇽💀🧪👩🏽🔬
November 1, 2025 at 7:19 PM
Day of the Dead altars in the lab, honouring some of the scientists we lost this and past years. 🇲🇽💀🧪👩🏽🔬
Worried about the people in Jamaica. I'm also worried about the only surviving wild population of the critically endangered Jamaica rock iguanas (Cyclura collei), I hope they find a place to hide. 🦎🌎🧪
October 28, 2025 at 4:17 PM
Worried about the people in Jamaica. I'm also worried about the only surviving wild population of the critically endangered Jamaica rock iguanas (Cyclura collei), I hope they find a place to hide. 🦎🌎🧪
Estamos organizando la primera Olimpiada Nacional de Zoología en México, dirigida a estudiantes de licenciatura de Biología y carreras afines. Más info: instagram.com/olimpiadas.zoo www.facebook.com/share/p/1KYD... 🧪🦎🐟🦊🦉🦋🪱🐸🐜🐌🪸🦣
October 23, 2025 at 3:16 PM
Estamos organizando la primera Olimpiada Nacional de Zoología en México, dirigida a estudiantes de licenciatura de Biología y carreras afines. Más info: instagram.com/olimpiadas.zoo www.facebook.com/share/p/1KYD... 🧪🦎🐟🦊🦉🦋🪱🐸🐜🐌🪸🦣
We had a great time yesterday in the main Science outreach event in our institution, “ECOSUR a Puertas abiertas”, 🇲🇽. We received around 1000 people! My students were super enthusiastic sharing info about eDNA! 🧬🧪👩🏽🔬
October 18, 2025 at 7:33 PM
We had a great time yesterday in the main Science outreach event in our institution, “ECOSUR a Puertas abiertas”, 🇲🇽. We received around 1000 people! My students were super enthusiastic sharing info about eDNA! 🧬🧪👩🏽🔬
My favourite reptiles: They live in amazing places e.g. Baja California and the Galapagos islands, they’re seed dispersers, some are fragile other very resilient, culturally important but threatened by habitat loss, trafficking, hunting. Today is Iguana awareness day! Photo:IIF 🌎🦎
September 8, 2025 at 2:54 PM
My favourite reptiles: They live in amazing places e.g. Baja California and the Galapagos islands, they’re seed dispersers, some are fragile other very resilient, culturally important but threatened by habitat loss, trafficking, hunting. Today is Iguana awareness day! Photo:IIF 🌎🦎
Sharing a video of Catemaco 🇲🇽 for #WorldLakeDay, surrounded by the volcanic Sierra de Los Tuxtlas and some patches of the original rainforest. It’s one of the sampling sites in our eDNA project.
August 28, 2025 at 1:48 AM
Sharing a video of Catemaco 🇲🇽 for #WorldLakeDay, surrounded by the volcanic Sierra de Los Tuxtlas and some patches of the original rainforest. It’s one of the sampling sites in our eDNA project.
three bats outside my office! 🦇
August 14, 2025 at 9:48 PM
three bats outside my office! 🦇
We heard howling monkeys for days in Palenque 🇲🇽 and we finally saw one! This national park protects amazing nature and impressive Mayan temples. 🐒
July 29, 2025 at 9:48 PM
We heard howling monkeys for days in Palenque 🇲🇽 and we finally saw one! This national park protects amazing nature and impressive Mayan temples. 🐒
Very happy that after travelling 368 km (2x) to the ‘local’ Environment and Natural Resources office +3 months wait, my student got his collection permits approved! We’ll catch Ctenosaura similis for his master’s project on spiny-tailed iguana’s gut microbiome. 🧬🧪🦎🌎
July 17, 2025 at 6:23 PM
Very happy that after travelling 368 km (2x) to the ‘local’ Environment and Natural Resources office +3 months wait, my student got his collection permits approved! We’ll catch Ctenosaura similis for his master’s project on spiny-tailed iguana’s gut microbiome. 🧬🧪🦎🌎
Happy #WorldSnakeDay! Here is one of my favorite rattlesnakes, Crotalus catalinensis. I took this pic in Serpentario La Paz last year. However, when I was undergrad I was lucky to volunteer in a project on Santa Catalina Island (Gulf of California) where I saw many of them! 🧪🌎🐍
July 16, 2025 at 5:45 PM
Happy #WorldSnakeDay! Here is one of my favorite rattlesnakes, Crotalus catalinensis. I took this pic in Serpentario La Paz last year. However, when I was undergrad I was lucky to volunteer in a project on Santa Catalina Island (Gulf of California) where I saw many of them! 🧪🌎🐍
Baby spiny-tailed iguanas (Ctenosaura similis) are growing up!❤️🦎
July 11, 2025 at 3:22 PM
Baby spiny-tailed iguanas (Ctenosaura similis) are growing up!❤️🦎
A beautiful Dione juno on a Roseodendron donnell-smithii leaf. Although their caterpillars ate our plants, it’s nice to see them around! 🦋🐛
July 5, 2025 at 6:02 PM
A beautiful Dione juno on a Roseodendron donnell-smithii leaf. Although their caterpillars ate our plants, it’s nice to see them around! 🦋🐛
Last day of our bioinformatics course! Students learnt about genome assembly, microbiome analysis, creating and documenting code, etc. They’ll apply this knowledge on their research on tropical fish, fungi, iguanas, insect pests. 🧬🧪👩🏽💻
June 27, 2025 at 6:10 PM
Last day of our bioinformatics course! Students learnt about genome assembly, microbiome analysis, creating and documenting code, etc. They’ll apply this knowledge on their research on tropical fish, fungi, iguanas, insect pests. 🧬🧪👩🏽💻
Admiring the clouds over the forest on the way back home.
May 28, 2025 at 8:19 AM
Admiring the clouds over the forest on the way back home.
Highway to Tuxtla Gutiérrez was closed. The bus driver had to take the old road crossing La Sepultura natural reserve. It was winding, scary and beautiful. 🌎
May 27, 2025 at 1:50 PM
Highway to Tuxtla Gutiérrez was closed. The bus driver had to take the old road crossing La Sepultura natural reserve. It was winding, scary and beautiful. 🌎
Celebrating the 19 species (prob. more based on 🧬!) of iguanas living in Mexico on #WorldBiodiversityDay! On top of their ecological importance, they are cultural, gastronomical and economically relevant in the country (Info de la Red de Investigación y Divulgación de Anfibios y Reptiles MX) 🦎🌎🧪
May 22, 2025 at 4:49 PM
Celebrating the 19 species (prob. more based on 🧬!) of iguanas living in Mexico on #WorldBiodiversityDay! On top of their ecological importance, they are cultural, gastronomical and economically relevant in the country (Info de la Red de Investigación y Divulgación de Anfibios y Reptiles MX) 🦎🌎🧪
There is still a lot of work to do to make motherhood and STEM careers compatible !Feliz día de las madres, colegas! 🧪👩🏽🔬
May 10, 2025 at 8:51 PM
There is still a lot of work to do to make motherhood and STEM careers compatible !Feliz día de las madres, colegas! 🧪👩🏽🔬
Iguanas (Ctenosaura similis) are hatching in southern Mexico! If all goes well, these cuties will become large spiny tailed lizards. They seem common and adapted to human environments. However, they are under hunting pressure and affected by urbanization. 🦎🌎🧪
May 7, 2025 at 6:40 PM
Iguanas (Ctenosaura similis) are hatching in southern Mexico! If all goes well, these cuties will become large spiny tailed lizards. They seem common and adapted to human environments. However, they are under hunting pressure and affected by urbanization. 🦎🌎🧪
Trying to finish our last grant report before everyone wakes up at home, but still a bit distracted by the sunrise colours, birds songs and insects sounds. Hard to summarise years of work in two pages!
April 9, 2025 at 11:51 AM
Trying to finish our last grant report before everyone wakes up at home, but still a bit distracted by the sunrise colours, birds songs and insects sounds. Hard to summarise years of work in two pages!
Once again, this guy is checking my work through the window 🧪🦎
March 3, 2025 at 10:25 PM
Once again, this guy is checking my work through the window 🧪🦎
Happy birthday, Darwin! Even if he called marine iguanas ‘imps of darkness’ 🦎
February 13, 2025 at 4:57 AM
Happy birthday, Darwin! Even if he called marine iguanas ‘imps of darkness’ 🦎
Axolotls have been important in Mexican culture since Aztec’s time. They’re named after the god Xolotl (monsters, fire, lightning). This amazing species is critically endangered in the wild, as it’s habitat is disappearing in Mexico City. Today is national Axolotl day! 🧪🐸🌎🇲🇽
February 1, 2025 at 6:28 PM
Axolotls have been important in Mexican culture since Aztec’s time. They’re named after the god Xolotl (monsters, fire, lightning). This amazing species is critically endangered in the wild, as it’s habitat is disappearing in Mexico City. Today is national Axolotl day! 🧪🐸🌎🇲🇽