Temporal patterns, benefits, and defensive behaviors associated with male parental care in the glassfrog<i>Centrolene savagei</i>

Ospina-L, Ana María; Navarro-Salcedo, Paula; Rios-Soto, Julián Alberto; Duarte-Marín, Sebastián; Vargas‐Salinas, Fernando

doi:10.1080/03949370.2019.1682056

Cited by 7 publications

(5 citation statements)

References 31 publications

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“…According to the IUCN (2018), 37% of amphibian species are threatened and over 22% are so poorly documented that we cannot assess their threat status. So-called ''basic'' descriptive work is valuable and irreplaceable, providing foundational information needed to refine hypotheses about the function and evolution of behaviors and ecology, and thus must continue (e.g., Ferreira et al 2019;Rojas and Pašukonis 2019;Ospina-L et al 2019). For example, natural history observations were essential for a recent character state reconstruction illustrating the evolution of parental investment in caecilians (Kupfer et al 2016), and similar observations are needed to approach such questions in frog and salamander groups.…”

Section: Parental Care In Times Of Population Declinesmentioning

confidence: 99%

Developments in Amphibian Parental Care Research: History, Present Advances, and Future Perspectives

Schulte

Ringler

Rojas

et al. 2020

Herpetological Monographs

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Despite rising interest among scientists for over two centuries, parental care behavior has not been as thoroughly studied in amphibians as it has in other taxa. The first reports of amphibian parental care date from the early 18th century, when Maria Sibylla Merian went on a field expedition in Suriname and reported frog metamorphs emerging from their mother's dorsal skin. Reports of this and other parental behaviors in amphibians remained descriptive for decades, often as side notes during expeditions with another purpose. However, since the 1980s, experimental approaches have proliferated, providing detailed knowledge about the adaptive value of observed behaviors. Today, we recognize more than 30 types of parental care in amphibians, but most studies focus on just a few families and have favored anurans over urodeles and caecilians. Here, we provide a synthesis of the last three centuries of parental care research in the three orders comprising the amphibians. We draw attention to the progress from the very first descriptions to the most recent experimental studies, and highlight the importance of natural history observations as a source of new hypotheses and necessary context to interpret experimental findings. We encourage amphibian parental care researchers to diversify their study systems to allow for a more comprehensive perspective of the behaviors that amphibians exhibit. Finally, we uncover knowledge gaps and suggest new avenues of research using a variety of disciplines and approaches that will allow us to better understand the function and evolution of parental care behaviors in this diverse group of animals.

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Section: Parental Care In Times Of Population Declinesmentioning

confidence: 99%

Developments in Amphibian Parental Care Research: History, Present Advances, and Future Perspectives

Schulte

Ringler

Rojas

et al. 2020

Herpetological Monographs

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“…Consistent with this hypothesis, egg attendance in amphibians evolves more quickly than complex care forms (Furness & Capellini, 2019 ). In support of theoretical predictions that increased parental investment is accompanied by higher offspring survival, attendance increases egg survivorship in numerous taxa (birds: (Andersson & Waldeck, 2006 ), fishes: (Klug et al, 2005 ), reptiles: (Pike et al, 2016 ), amphibians: (Croshaw & Scott, 2005 ; Delia et al, 2017 ; Delia et al, 2020 ; Ospina‐L et al, 2020 ; Poo & Bickford, 2013 ; Taigen et al, 1984 ), arachnids: (García‐Hernández & Machado, 2017 ) and crustaceans: (Palaoro & Thiel, 2020 )). Attending parents protect the offspring against pathogens (Boos et al, 2014 ; Green, 1999 ) and predators (Croshaw & Scott, 2005 ; Delia et al, 2017 ; García‐Hernández & Machado, 2017 ; Gibson & Buley, 2004 ; Kushlan & Kushlan, 1980 ; Pike et al, 2016 ), prevent the desiccation of terrestrial eggs (Croshaw & Scott, 2005 ; Delia et al, 2020 ; Poo & Bickford, 2013 ; Taigen et al, 1984 ), increase aeration of aquatic eggs in low oxygen environments (Blumer, 1982 ; Karino & Arai, 2006 ; Salthe & Mecham, 1974 ; Takahashi et al, 2017 ), decrease the likelihood of developmental abnormalities through constant manipulation of eggs (Crump, 1995 ; Lehtinen & Nussbaum, 2003 ; McDiarmid, 1978 ; Simon, 1983 ) and assist terrestrial hatchlings in exiting the nest (Crump, 1995 ; Merchant et al, 2018 ).…”

Section: Introductionmentioning

confidence: 71%

“…In conclusion, egg attendance is the most common form of care in the animal kingdom (Balshine, 2012 ; Smiseth et al, 2012 ), increases offspring survival (García‐Hernández & Machado, 2017 ; Klug et al, 2005 ; Ospina‐L et al, 2020 ; Pike et al, 2016 ), selects for larger eggs (Furness et al, 2022 ) and may trigger the acquisition of care at later stages of offspring development (Furness & Capellini, 2019 ). This study reveals that female egg attendance in particular is more likely to evolve following changes in reproductive ecology that likely increase egg survival, select for small clutches of large eggs, and/or expose eggs to new environmental challenges.…”

Section: Discussionmentioning

confidence: 99%

The reproductive ecology drivers of egg attendance in amphibians

Furness

Capellini

2022

Ecology Letters

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Parental care is extremely diverse but, despite much research, why parental care evolves is poorly understood. Here we address this outstanding question using egg attendance, the simplest and most common care form in many taxa. We demonstrate that, in amphibians, terrestrial egg deposition, laying eggs in hidden locations and direct development promote the evolution of female egg attendance.Male egg attendance follows the evolution of hidden eggs and is associated with terrestrial egg deposition but not with direct development. We conclude that egg attendance, particularly by females, evolves following changes in reproductive ecology that are likely to increase egg survival, select for small clutches of large eggs and/or expose eggs to new environmental challenges. While our results resolve a long-standing question on whether reproductive ecology traits are drivers, consequences or alternative solutions to caring, they also unravel important, yet previously unappreciated, differences between the sexes.

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“…Clutches of N. grandisonae infested by fly larvae exhibited lower embryonic survival than non-infested clutches. Egg clutches of glass frogs are preyed upon by diverse vertebrates and invertebrates that have been recorded in our study area (Delia et al 2019, 2020, Ospina-L. et al 2020, but the infestation by fly larvae was the most common cause of mortality in the study population. Similar observations have been seen in another population of N. grandisonae (Rojas-Morales and Escobar-Lasso 2013) and diverse anurans with oviposition out of water (Wells 2007).…”

Section: Discussionmentioning

confidence: 86%

Phenology and mortality of embryos in a Colombian population of Nymphargus grandisonae (Anura: Centrolenidae)

et al. 2020

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Phenology and mortality of embryos in a Colombian population of Nymphargus grandisonae (Anura: Centrolenidae). Studies of phenology and natural history of anurans provide information useful for its conservation. This is particularly important in current scenarios of emergent diseases, high rates of deforestation, and climate change. We recorded the timing of breeding of the Glass Frog Nymphargus grandisonae and its relationship to precipitation and environmental temperature for four years in a population located in the Central Andes of Colombia, South America. In addition, we recorded the causes of mortality in egg clutches of this species. We quantified infestation by fly larvae and its impact on the survival of embryos. We found that the reproductive activity of N. grandisonae (number of males calling) was seasonal and occurred in months with highest precipitation. The main cause of embryo mortality in clutches was associated with the infestation by a spittlebug fly of the genus c.f. Cladochaeta (Drosophilidae). The survival of embryos in infested clutches was significantly lower than in those clutches not infested by fly larvae. Our results provide baseline data for the monitoring of anuran population dynamics in the Andean region using the glass frog N. grandisonae as a model system.

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Temporal patterns, benefits, and defensive behaviors associated with male parental care in the glassfrogCentrolene savagei

Cited by 7 publications

References 31 publications

Developments in Amphibian Parental Care Research: History, Present Advances, and Future Perspectives

Developments in Amphibian Parental Care Research: History, Present Advances, and Future Perspectives

The reproductive ecology drivers of egg attendance in amphibians

Phenology and mortality of embryos in a Colombian population of Nymphargus grandisonae (Anura: Centrolenidae)

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