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An overview of bird records committees in the Neotropics
(2018)
Neotropical bird records committees have been growing in numbers, remit and prominence in recent years. This feature – by members of those committees – explains how and why committees were established and encourages birders ...
The forgotten habitats in conservation: early successional vegetation
(2019)
Conservation efforts in terrestrial environments have focused on preserving patches of natural
habitats and restoring disturbed habitats, with the main goal of transforming them into forests or habitats that resemble the ...
The first record of an audible sound produced by a ghost moth, Phassus (Hepialidae) from Costa Rica
(2015)
Sound production in lepidopteran adults has been reported in at least 13 families. The
majority of these families produce ultrasonic sounds that are inaudible to humans. Here we report
the first record of an audible sound ...
Range expansion and noteworthy records of Costa Rican birds (Aves)
(2018-01-19)
We present new distribution information for 19 species of Costa Rican birds. Thirteen species show changes in altitudinal distribution, 9 are recorded at higher elevations such as Egretta rufescens (Gmelin, 1789), Heliomaster ...
Sexual size dimorphism and acoustical features of the pre-advertisement and advertisement calls of Rhinophrynus dorsalis Duméril & Bibron, 1841 (Anura: Rhinophrynidae)
(2015)
Las interacciones entre selección natural, selección sexual, y los requerimientos ecológicos específicos de las especies son responsables de la evolución de comportamientos complejos de cortejo y estrategias reproductivas. ...
Three new bird species for Cocos Island, Costa Rica, and additional observations of other vagrants
(2019)
En esta nota presentamos tres nuevos registros de especies en la isla del Coco, Costa Rica: Aguja Lomiblanca Limosa haemastica, Mosquerito de Traill Empidonax traillii / Mosquerito de Charral E. alnorum y Reinita de Costados ...
Ramphocelus passerinii alimentando pichones de Turdus grayi y notas sobre la reproducción de otras especies de Ramphocelus
(2015)
En esta nota presentamos observaciones de un Ramphocelus passerinii alimentando juveniles de Turdus grayi. Además, ampliamos los registros de la época reproductiva para Ramphocelus costaricensis y Ramphocelus carbo. Esta ...
Genetic structure in neotropical birds with different tolerance to urbanization
(2022)
Gene flow in birds can be affected by urbanization depending on natural history traits and adaptability
to habitat change. Contrasting results can be expected when comparing species with opposite
resilience to urbanization. ...
Variación en la actividad acústica de Hyalinobatrachium fleischmanni (Anura: Centrolenidae) en un ambiente urbano con diferentes niveles de ruido antropogénico
Diel acoustic variation in Hyalinobatrachium fleischmanni (Anura: Centrolenidae) in urban habitat with different anthropogenic noise levels.
(2019)
Acoustic signals produced by animals can be masked by natural or anthropogenic environmental noise. A high proportion of the current distribution of the glass-frog Hyalinobatrachium fleischmanni (Centrolenidae) overlaps ...
Is black plumage an adaptation to high elevations in a cosmopolitan bird genus?
(2019)
Black plumage is expected to absorb and retain more heat and provide better protection against UV radiation compared with lighter plumages. Black plumage is common in species of the genera Turdus and Platycichla that inhabit ...