Tropical Feathers

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Tropical Feathers A Costa Rican Birding Tour Operator with 20 years of experience This makes birding tours in Costa Rica a trendy choice among birders across the world.

Our home land Costa Rica is with no doubt one of the most amazing locations for birding in the world. This tropical country offers exceptional topography with abundant microclimates, rich wildlife and over 907 species of birds, all within very short distances. Costa Rica offers a great number of regional endemic species of birds, some common to the Central American region, some to Costa Rica and W

estern Panamá. Additionally the lush tropical rainforest, the misty cloud forest, and the tropical dry forest, contribute to a captivating experience.

Costa Rica Pygmy-Owl  (Glaucidium costaricanum) Mochuelo CostarricenseMostly diurnal. Favors mature highland forest cano...
11/10/2024

Costa Rica Pygmy-Owl (Glaucidium costaricanum) Mochuelo Costarricense

Mostly diurnal. Favors mature highland forest canopy, occasionally to understory after ambushing prey or when bathing (see photo in post of Pygmy-Owl just after bathing), also to forest edge, edge of forest at abrupt drops along mountain river canyons, semi-open habitat and clearings with scattered trees. The Costa Rican Pygmy-Owl might be tiny, but it is fierce hunter, it preys on small vertebrates like mice, lizards, and birds, and large arthropods. Hunts by quickly ambushing prey, birds are typically taken from mixed species flocks, a distracted bird can easily become the owl’s meal, one single strike should produce the kill, otherwise the owl conceals for a while and waits for the agitation of birds to cease. As a defensive strategy, most songbirds cluster to fearlessly mob the perching pygmy-owl until the obfuscated intruder decides to leave. Looking at the tenacious mobbing birds, or listening and tracking its call, a long series of discontinuous t***s, might lead to finding the concealed owl.
Most species of owls have flat facial discs and asymmetrical situated ears that enhance their hearing and aid to tracking prey, however the Costa Rican Pygmy-Owl lacks this adaptation which might explain its preferred diurnal behavior and why they rely more on their vision.

Status, Distribution, Altitude Range

Endemic to Costa Rica and Western Panama. Uncommon to fairly common inhabitant of middle and high elevations of Talamanca and Central Volcanic Cordilleras, less common in highest elevations of Tilarán Cordillera, from timberline (around 3,000 m) down to 1,100 m on Pacific Slope, and down to about 900 m on Caribbean Slope.
For a long a time this species was considered a subspecies of Andean Pygmy-Owl (Glaucidium jardinii), However DNA and vocalization studies have revealed that this is actually a complete different species and it is more closely related to Northern Pygmy-Owl (Glaucidium gnoma).

Principalmente de hábitos diurnos. Prefiere el dosel del bosque maduro de las tierras altas, ocasionalmente baja al sotobosque después de emboscar a la presa o cuando se baña, también en bordes de bosque, orillas de bosque en caídas abruptas a lo largo de los cañones de los ríos de montaña, hábitat semiabierto y claros con árboles dispersos. El Búho Pigmeo Costarricense o Mochuelo Costarricense puede ser pequeño, pero es un cazador feroz, se alimenta de pequeños vertebrados como ratones, lagartijas y pájaros, y grandes artrópodos. Caza emboscando rápidamente a la presa, las aves generalmente se capturan de bandadas de especies mixtas, un ave distraída puede convertirse fácilmente en la comida del búho, un solo ataque debería producir la muerte, de lo contrario, el búho se esconde por un tiempo y espera a que cese la agitación de las aves. Como estrategia defensiva, la mayoría de los pájaros se agrupan para atacar y molestar sin miedo al pequeño búho, hasta que el intruso ofuscado decide irse. Observar a las tenaces aves que le tratan de ahuyentar, o escuchar y seguir su llamando, una larga serie de tuuts, puede llevarnos a encontrar al búho escondido y bien camuflado.

La mayoría de las especies de búhos tienen discos faciales planos y orejas asimétricas que mejoran su audición y ayudan a rastrear a sus presas, sin embargo, el Mochuelo carece de esta adaptación, lo que podría explicar su comportamiento diurno preferido y por qué dependen más de su vista.

Estado, distribución, rango de altitud

Endémica de Costa Rica y el oeste de Panamá. Habitante poco común a bastante común de elevaciones medias y altas de las cordilleras de Talamanca y Volcánica Central, menos común en las elevaciones más altas de la cordillera de Tilarán, desde la línea de árboles (alrededor de 3000 m) hasta los 1100 m en la vertiente del Pacífico, y hasta aproximadamente 900 m en la vertiente del Caribe.
Durante mucho tiempo esta especie fue considerada una subespecie del Búho Pigmeo Andino (Glaucidium jardinii), sin embargo estudios de ADN y vocalización han revelado que en realidad se trata de una especie completamente diferente y está más estrechamente relacionada con el Búho Pigmeo Norteño (Glaucidium gnoma).

Collared Peccary (Dicotyles tajacu) (Saíno)I have always dislike very much the smell of Peccaries, one of those things t...
10/10/2024

Collared Peccary (Dicotyles tajacu) (Saíno)
I have always dislike very much the smell of Peccaries, one of those things that bother me quite a bit, but, this scene was so charming to let go without a photo.

Flame-throated Warbler (Oreothlypis gutturalis) This is an amazing bird, one of my favorite species in the cloud forest ...
09/10/2024

Flame-throated Warbler (Oreothlypis gutturalis) This is an amazing bird, one of my favorite species in the cloud forest of Costa Rica.

Status, Distribution, Altitude Range
Endemic to Costa Rica and Panama. Common resident of Central Volcanic and Talamanca Cordilleras, regularly from 2,150 m to timberline, often venturing into lower borders of paramos. Locally down to 1800 m on Caribbean slope, ocassionally to 1,400 m during second half of the rainy season.

Solitary or in pairs in breeding season, post-breeding flocks however might contain up to 30 individuals. Favors upper and mid layers of canopy in high elevation forest, sometimes descending to understory, specially at forest edge and brushy vegetation along ravines. Ventures into clearings with scattered trees and bushes, sometimes forages into paramos just above timberline. Actively takes small insects, spiders and caterpillars, and takes small fruit mostly from mistletoes. Inspects clusters of lichen and moss along branches, with acrobatic techniques hangs and gleans for invertebrates, sometimes even sallying to catch prey in mid air. Frequently joins mixed species flocks associating with Chlorospingus, Yellow-winged Vireo (Vireo carmioli), Brown-capped Vireo (Vireo leucophrys), and other migratory warblers. The song is a strange insect-like ascending dry buzz sometimes preceded by a rapid series of three ‘peeps’ of dry quality as well.

Long-billed Hermit (Phaethornis longirostris)Costa Rica ...
08/10/2024

Long-billed Hermit (Phaethornis longirostris)
Costa Rica ...

Fiery-throated Hummingbird(Panterpe insignis)Costa RicaA beautiful hummingbird inhabiting charming highland habitats, in...
22/09/2024

Fiery-throated Hummingbird
(Panterpe insignis)
Costa Rica

A beautiful hummingbird inhabiting charming highland habitats, in good light the eye-catching glowing fiery throat is revealed to the astonished observer, however more constantly appears to have a rather dark green body and dark dusky head with no much gloss to it.
Iridescent cobalt-blue crown, sides of head and hindneck black, conspicuous white postocular spot, black slim beak with pinkish-red basal half of lower mandible. Bright green back with bluish sheen shades into brighter blue uppertail coverts, tail bluish-black, wings charcoal-black. Center of glittering throat rosy carmine prismatically radiating into iridescent shades of warmer reds, to orange, to golden-orange, golden-yellow, yellowish-green - suggesting a rainbow. Center of breast violet-blue, lightly bordered by acqua-blue, sides of breast gold to golden-green, belly green to bluish. Dusky black feet.

Behavior:
Very aggressive, males defend sizable patches of flowers, constantly getting involved in swift chases through canopy and open air space, females are however more than welcome to feed on their precious flowers. Actively nectars and flycatches at forest canopy, descends to shrub level at forest edge, forages through adjacent second growth, and ventures into adjacent semi-open and open fields with scattered flowering shrubs and trees. Visits flowers of several Bromeliaceae, Ericacea, Gesneraceae, Centropogon, Bomarea, Fucshia, among many others. Long tubular flowers might be punctured at base by the Fiery-throated Hummingbird to extract nectar, or might take advantage of the holes already pierced by Slaty Flowerpiercers or bumblebees.
Easily tracked by sound, this hummingbird is quite vocal when feeding, and even louder and more obvious when altered by a Costa Rican Pigmy-Owl, which it fearlessly harasses.

Distribution:
Endemic to Costa Rica and Western Panama. Common resident of high elevations of Central Volcanic and Talamanca Cordilleras, from 2,000 m to 3,450 m well into páramos, perhaps higher. Less abundant in Guanacaste and Tilarán Cordilleras, from 1,500 m and up, after nesting season it might descend to as low as 750 m. Center of abundance in the Talamanca Cordillera from 2,600m to 3,100 m approximately.

by Noel Urena, Tropical Feathers www.costaricabirdingtours.com

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482-8000

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