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alonsoramirez.bsky.social
Alonso Ramirez
@alonsoramirez.bsky.social
320 followers 430 following 90 posts
Ecólogo, profesor, aficionado a las libélulas, los pájaros, y el ciclismo. Cuenta personal.
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Ecologist, professor, fan of dragonflies, birds, and cycling. Personal account.

For research news visit: @aramirezlab.bsky.social
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alonsoramirez.bsky.social
Torrent Tyrannulet (Serpophaga cinerea). An inhabitant of tropical mountain streams where it searches for emerging insects.

#CostaRica #wildlife #bird #birds #birding #nature #wildlife #animals #photography #outdoors
February 14, 2026 at 1:04 AM
Reposted by Alonso Ramirez
aramirezlab.bsky.social
Celebrating our team members on the International Day of Women and Girls in Science!

#IDWGS #womenforscience #WomenInSTEM
#Diamujeryniñaenciencia #11f2026
February 11, 2026 at 2:19 PM
alonsoramirez.bsky.social
Talamanca Hummingbird (Eugenes spectabilis), an endemic species from cloud forests in Costa Rica and northern Panamá.

#CostaRica #Panama #wildlife #bird #birds #birding #nature #wildlife #animals #photography #outdoors
A small green and brown hummingbird with a dark head and a white spot near the eye.
February 10, 2026 at 9:17 PM
Reposted by Alonso Ramirez
plosone.org
A new study by Reyes-Maldonado et al maps the detailed neuromuscular architecture of the non-biting midge Chironomus vitellinus, to facilitate its use as a model organism in environmental studies and establish the Chironomus neuromuscular junction as an aquatic toxicity marker.
The neuromuscular system of Chironomus vitellinus (Diptera: Chironomidae)
Chironomids are important laboratory model organisms used to assess toxicity in freshwater environments. Cell and tissue features are not commonly used as chironomid markers to detect toxicity, but…
plos.io
January 30, 2026 at 3:30 PM
alonsoramirez.bsky.social
A family of Spotted Wood-Quails (Odontophorus guttatus) feeding on the forest floor in the central mountains of Costa Rica.

#CostaRica #wildlife #bird #birds #birding #nature #wildlife #animals #photography #outdoors
February 5, 2026 at 1:04 AM
alonsoramirez.bsky.social
Silver-throated Tanagers (Tangara icterocephala) having fun and enjoying some fruit.

#CostaRica #wildlife #bird #birds #birding #nature #wildlife #animals #photography #outdoors
February 2, 2026 at 7:50 PM
alonsoramirez.bsky.social
Ruddy Pigeons (Patagioenas subvinacea) enjoying the sun in the central mountains of Costa Rica.

#CostaRica #wildlife #bird #birds #birding #nature #wildlife #animals #photography #outdoors
Two Ruddy Pigeons enjoying the sun.
January 31, 2026 at 2:04 PM
alonsoramirez.bsky.social
Rose-breasted Grosbeak (Pheucticus ludovicianus) in its winter home in the central mountains of Costa Rica.

#CostaRica #wildlife #bird #birds #birding #nature #wildlife #animals #photography #outdoors
January 28, 2026 at 3:16 AM
Reposted by Alonso Ramirez
juliecupples79.bsky.social
Stop what you’re doing right now and listen to Mike Joseph’s beautiful new album Resiliente raíz #CostaRica #Reggae
music.apple.com/gb/album/res...
Resiliente Raíz by Paradise Productions & Mike Joseph on Apple Music
Album · 2026 · 13 Songs
music.apple.com
January 25, 2026 at 12:41 PM
alonsoramirez.bsky.social
Resplendent Quetzal (Pharomachrus mocinno) in the central mountains of Costa Rica.

A beautiful and amazing bird. Here's the male.

#CostaRica #wildlife #bird #birds #birding #nature #wildlife #animals #photography #outdoors
January 25, 2026 at 3:41 PM
alonsoramirez.bsky.social
Long-tailed Silky-flycatcher (Ptiliogonys caudatus), a beautiful bird, endemic to Costa Rica and northern Panamá.

#CostaRica #Panama #wildlife #bird #birds #birding #nature #wildlife #animals #photography #outdoors
January 24, 2026 at 8:36 PM
alonsoramirez.bsky.social
Lesser Violetear (Colibri cyanotus), a conspicuous inhabitant of tropical mountain areas, always singing. This one is from the central mountains of Costa Rica.

#CostaRica #wildlife #bird #birds #birding #nature #wildlife #animals #photography #outdoors
January 22, 2026 at 12:08 AM
alonsoramirez.bsky.social
Large-footed Finch (Pezopetes capitalis), a beautiful endemic species of Costa Rica and northern Panama.

#CostaRica #Panama #wildlife #bird #birds #birding #nature #wildlife #animals #photography #outdoors
January 20, 2026 at 1:25 AM
alonsoramirez.bsky.social
Flame-throated Warbler (Oreothlypis gutturalis), a beautiful endemic species of Costa Rica and northern Panamá.

#CostaRica #Panama #wildlife #bird #birds #birding #nature #wildlife #animals #photography #outdoors
January 17, 2026 at 12:56 AM
alonsoramirez.bsky.social
Flame-colored Tanager (Piranga bidentata), a colorful inhabitant of the central mountains of Costa Rica.

#CostaRica #wildlife #bird #birds #birding #nature #wildlife #animals #photography #outdoors
January 15, 2026 at 1:53 AM
alonsoramirez.bsky.social
Time to go! A Crested Caracara (Caracara plancus) takes flight in the central mountains of Costa Rica.

#CostaRica #wildlife #bird #birds #birding #nature #wildlife #animals #photography #outdoors
Crested Caracara
January 13, 2026 at 12:11 AM
alonsoramirez.bsky.social
Broad-winged Hawk (Buteo platypterus) at her/his tropical home in the central mountains of Costa Rica.

#CostaRica #wildlife #bird #birds #birding #nature #wildlife #animals #photography #outdoors
January 10, 2026 at 6:30 PM
alonsoramirez.bsky.social
Blue-gray Tanager (Thraupis episcopus). One of my favorite birds, very common in feeders in Costa Rica.

#CostaRica #wildlife #bird #birds #birding #nature #wildlife #animals #photography #outdoors
January 10, 2026 at 12:47 AM
alonsoramirez.bsky.social
Black-capped Flycatcher (Empidonax atriceps) a small flycatcher endemic of Costa Rica and Panamá.

#CostaRica #Panama #wildlife #bird #birds #birding #nature #wildlife #animals #photography #outdoors
January 4, 2026 at 8:15 PM
Reposted by Alonso Ramirez
freshwaterscience.bsky.social
The EPA has announced changes to the definition of Waters of the U.S. that leave critical systems supporting drinking water, floodwater storage, and biodiversity unprotected. Public comments on the changes are open until January 5, 2026.

Read SFS's response: freshwater-science.org/news/sfs-res...
SFS Response Letter on Changes to Waters of the U.S. Definition | Society for Freshwater Science
December 30, 2025 — The Society for Freshwater Science (SFS) today released a letter outlining changes to the Waters of the U.S. (WOTUS) definition and our response.
freshwater-science.org
December 30, 2025 at 9:16 PM
alonsoramirez.bsky.social
Black Guan (Chamaepetes unicolor) feeding on the forest floor on the central mountains of Costa Rica. An endemic species of Costa Rica and Panamá.

#CostaRica #Panama #wildlife #bird #birds #birding #nature #wildlife #animals #photography #outdoors
January 2, 2026 at 10:26 PM
Reposted by Alonso Ramirez
aramirezlab.bsky.social
Happy New Year to all!
December 31, 2025 at 2:44 PM
alonsoramirez.bsky.social
Acorn Woodpecker (Melanerpes formicivorus) living a good tropical life in Costa Rica, with some free extra food. No need to migrate!

#CostaRica #wildlife #bird #birds #birding #nature #wildlife #animals #photography #outdoors
December 26, 2025 at 11:32 PM
Reposted by Alonso Ramirez
aramirezlab.bsky.social
Happy Holidays!
December 24, 2025 at 2:18 PM
alonsoramirez.bsky.social
A beautiful Summer Tanager (Piranga rubra) from the Caribbean lowlands of Costa Rica.

Photo by mi hija!

#CostaRica #wildlife #bird #birds #birding #nature #wildlife #animals #photography #outdoors
December 14, 2025 at 12:42 AM