Range extension of the Blue-Sided Leaf Frog, Agalychnis annae (Anura: Hylidae): Using citizen science across suburban areas in Costa Rica.

Hidalgo-Mora, Esteban; Valverde-Castillo, Alejandro; Alvarado, Javier

doi:10.17161/randa.v28i2.15604

Cited by 4 publications

(7 citation statements)

References 7 publications

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“…It is very susceptible to mortality from vehicles, especially in urban areas (Figure 5b). In addition to urban populations, A. annae has been recently reported in riparian forests, springs, and pristine areas in the Central and South Pacific mountains [70], which suggest the recovery has also occurred in undisturbed ecosystems (V. Acosta-Chaves, unpublished). Our suitability map, as well as recent reports from Panama [55], suggest that A. annae historically occurs in this country but had not been detected previously.…”

Section: Spread Patterns 421 Species Recoverymentioning

confidence: 97%

“…We compiled presence-only datasets for all eight focal species (Table S1) from five sources: (1) the herpetological database of the MZUCR (http://museo.biologia.ucr.ac.cr/ accessed on 1 September 2021), (2) the Global Biodiversity Information Facility (GBIF; https://www.gbif.org/ accessed on 1 September 2021) [68], (3) INaturalist (https://www. inaturalist.org/ accessed on 1 September 2021), (4) field observations provided by the authors of this study and other researchers, and (5) peer-reviewed literature [58,64,[69][70][71][72][73]. We cleaned data by checking for typos, cross-checking geographic coordinates, and removing unreferenced records, coordinates with a geographic inaccuracy > 1000 m, and duplicates using the R packages 'scrubr' (https://docs.ropensci.org/scrubr/ accessed on 1 September 2021) and 'CoordinateCleaner' [74].…”

Section: Datasets and Abiotic Datamentioning

confidence: 99%

“…It declined to its full extent during the 1980s and 1990s, and only one remnant population was known for a while [52,54,56]. However, it recovered in most of its range and has become a common species in urban and disturbed areas [9,70]. Due to this fast recovery after 2010, A. annae was originally classified as least concern in a previous IUCN Red List workshop [49]; however, it was reclassified to vulnerable in the most recent workshop [47] based on new criteria.…”

Section: Spread Patterns 421 Species Recoverymentioning

confidence: 99%

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Assessing Suitable Habitats for Treefrog Species after Previous Declines in Costa Rica

et al. 2021

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Treefrogs represent 22% of amphibian species in Costa Rica, but gaps in the knowledge about this group of amphibians can impede conservation efforts. In this study, we first updated the status of Costa Rican treefrogs and found that a total of 38% of treefrog species are threatened according to the most recent IUCN assessment in 2019. Additionally, 21% of Costa Rican treefrog species have a high vulnerability to extinction according to environmental vulnerability scores. Then, we predicted the historical climatic suitability of eight target species that we expected to have exhibited changes in their ranges in the last 20 years. We assessed the location of new occurrence records since 2000 to identify recovery, range expansion, or previously underestimated ranges due to methodological limitations. We also estimated the area of each species’ suitable habitat with two metrics: extent of suitable habitat (ESH) and area of minimum convex polygon (AMCP). Six declined species exhibited recovery (i.e., new occurrences across historical range after 2000), with the widest recovery found in Agalychnis annae. We also found that Isthmohyla pseudopuma appears to have spread after the decline of sympatric species and that the range of I. sukia was originally underestimated due to inadequate detection. We found that the ESH was 32–49% smaller than the AMCP for species that are slowly recovering; however, the ESH is similar or greater than the AMCP for species that are recovering in most of their ranges, as well as rare species with widespread ranges. Results of this work can be used to evaluate the risk of environmental threats and prioritize regions for conservation purposes.

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Section: Spread Patterns 421 Species Recoverymentioning

confidence: 97%

Section: Datasets and Abiotic Datamentioning

confidence: 99%

Section: Spread Patterns 421 Species Recoverymentioning

confidence: 99%

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Assessing Suitable Habitats for Treefrog Species after Previous Declines in Costa Rica

et al. 2021

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“…Therefore, it is essential to identify populations of a species and detect variations in the number of individuals (Van Dyke, 2008). Locating new populations of a species that has suffered severe declines along its range can be challenging, although citizen science initiatives such as iNaturalist can be very helpful (Hidalgo-Mora et al, 2021). In the case of A. annae, the species seems to be recovering a higher abundance and have been detected in several locations during the last decade (GBIF, 2021).…”

Section: Conservation Implicationsmentioning

confidence: 99%

Population structure and dynamics, breeding activity and phenology of the blue‐sided treefrog (Agalychnis annae)

2022

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“…-Habitat use by Agalychnis annae regions, notably in urban areas (IUCN SSC Amphibian Specialist Group & NatureServe, 2020;Hidalgo-Mora et al, 2021;Zumbado-Ulate et al, 2021;Arguedas et al, 2022).…”

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confidence: 99%

USO DEL HÁBITAT POR Agalychnis Annae (ANURA: HYLIDAE) EN UN ESPACIO VERDE URBANO EN COSTA RICA.

Arguedas Porras,

Mora,

Barquero

2023

Rev Latin Herp

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La información sobre el uso del hábitat de varios hílidos, como Agalychnis annae, es limitada. Esta especie se reproduce en estanques y requiere la presencia de plantas cerca de pequeños cuerpos de agua para una reproducción exitosa. El objetivo de esta investigación fue examinar los aspectos básicos del uso del hábitat por parte de Agalychnis annae. Estudiamos una población de esta especie en la laguna natural del Zoológico Nacional Simón Bolívar, San José, Costa Rica. Encontramos que los individuos prefieren diferentes tipos de perchas según la categoría de sexo/edad, observándose un mayor número de hembras adultas y juveniles en las hojas y más machos adultos en los tallos. La ubicación en el sustrato, así como la altura a la que se posaron los individuos de cada categoría de sexo/edad, fue similar. Encontramos una mayor proporción de individuos tanto juveniles como adultos en dos gramíneas (Cyperus involucratus y Coix lacryma-jobi). Encontramos masas de huevos en siete especies de plantas, pero la mayoría ubicadas en Coix lacryma-jobi y un bambú (Rhipidocladum racemiflorum). Es posible que Agalychnis annae elija la vegetación para la oviposición en función de su estructura en vez de su abundancia. De manera similar, el hallazgo de que las hembras prefieren las hojas a los tallos para poner huevos puede explicarse por el área de superficie y el soporte que ofrece una hoja en comparación con un tallo. Estos hallazgos proporcionan información valiosa sobre las preferencias de hábitat y el comportamiento reproductivo de Agalychnis annae, y pueden contribuir a futuras estrategias de manejo y conservación para esta especie.

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Range extension of the Blue-Sided Leaf Frog, Agalychnis annae (Anura: Hylidae): Using citizen science across suburban areas in Costa Rica.

Cited by 4 publications

References 7 publications

Assessing Suitable Habitats for Treefrog Species after Previous Declines in Costa Rica

Assessing Suitable Habitats for Treefrog Species after Previous Declines in Costa Rica

Population structure and dynamics, breeding activity and phenology of the blue‐sided treefrog (Agalychnis annae)

USO DEL HÁBITAT POR Agalychnis Annae (ANURA: HYLIDAE) EN UN ESPACIO VERDE URBANO EN COSTA RICA.

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