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Blog NWE
Field notes from a wildlife naturalist in La Fortuna, Costa Rica. Each post is a deep-dive into the ecology of Arenal Volcano — sloths, birds, frogs, fungi — written from years of daily fieldwork. Posts available in Spanish and English. Want to see this wildlife with an expert? Book a private tour.


Plantas, electromagnetismo y comunicación.
El electromagnetismo es conocido como una de las cuatro fuerzas elementales del universo conocido. (gravedad, electromagnetismo, "Interacción débil", "Interacción fuerte") Esta fuerza ha sido estudiada desde la antigüedad por diferentes partes del mundo como en china y culturas como los egipcios, mayas y griegos, luego de formar una base en lo que conocemos como "matemáticas" se formularon diferentes leyes gracias a Carl Friedrich Gauss, Charles-Augustin de Coulomb y por supu

Bryan Ramírez Castro
Feb 8, 20243 min read


Nature and the Fibonacci sequence
In mathematics, the Fibonacci sequence is a sequence in which each number is the sum of the two preceding ones. The Fibonacci numbers were first described in Indian mathematics, as early as 200 BC in work by Pingala on enumerating possible patterns of Sanskrit poetry formed from syllables of two lengths. Pitcairnia funkiae, Foto por: Bryan Andrés Ramírez Castro They are named after the Italian mathematician Leonardo of Pisa, also known as Fibonacci, who introduced the sequenc

Bryan Ramírez Castro
Jun 6, 20231 min read


Entomopathogenic fungus
Entomopathogenic fungi are important controllers of pest-insects populations in agricultural production systems and in natural environment. These fungi have enzymatic machinery which involve since the recognition and adherence of spores in their hosts culminating with infection and death of these insects. (Fernandes, E. G., Valério, H. M., Feltrin, T., & Van Der Sand, S. T. (2012)). Foto por: Bryan Andrés Ramírez Castro Entomopathogenic fungi are able to cause infection to th

Bryan Ramírez Castro
Jun 6, 20231 min read


Bioacustic
What is bioacustic? Bioacoustics is a cross-disciplinary science that combines biology and acoustics. It refers to the investigation of sound production, dispersion and reception in animals (including humans) Animals rely upon their acoustic and vibrational senses and abilities to detect the presence of both predators and prey and to communicate with members of the same species. ( Taylor & Francis 2012) It is fascinating because it includes many aspects within the cosmic conn

Bryan Ramírez Castro
May 31, 20231 min read


Costa Rica and its biodiversity.
Costa Rica has about 6.5% of the world's biodiversity, according to the Sixth National Report on the State of Biodiversity (6IN, 2019). Habitat of more than 120 thousand known species for the country, among them more than 900 species of birds, more than 600 amphibians, more than 200 reptiles, more than 1500 butterflies. Foto por: Bryan Andrés Ramírez Castro -Duellmanohyla rufioculis. The Rufous-eyed stream frog it´s an endemic frog from Costa Rica The name of this genus is fo

Bryan Ramírez Castro
Nov 4, 20221 min read
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