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opencc-zeroApr 2020View details →

Data from: Show me you care: female mate choice based on egg attendance rather than male or territorial traits

Female mate choice is often based on male traits, including signals or behaviors, and/or the quality of a male's territory. In species with obligate paternal care, where care directly affects offspring survival, females may also base their mate choices on the quality of a sire's care. Here, we quantified male reproductive success in a natural population of the glassfrog Hyalinobatrachium cappellei, a species with male parental care, to determine the influence of territory quality, male traits, and paternal care behaviors on female mate choice. We found that attending males have a higher chance of gaining new clutches than non-attending males. Our results indicate that females do not select males based only on body condition, calling persistence, or territory traits. Instead, our findings support the hypothesis that females choose males based on care status. Indeed, males already attending a clutch were 70% more likely to obtain another clutch, and the time to acquire an additional clutch was significantly shorter. We also found that males adjust their parental care effort in response to genetic relatedness, by caring only for their own offspring; however, remaining close to unrelated clutches serves as a strategy to attract females and increase chances of successful mating. Thus, males that establish territories that already contain clutches benefit from the signal eggs provide to females.

publicSep 2021View details →

Data from: Show me you care: female mate choice based on egg attendance rather than male or territorial traits

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publicAug 2024View details →

Data from: Agonistic song rate positively correlates with male breeding success and avian malaria infection in Acrocephalus paludicola (Aquatic Warbler), a promiscuous songbird with female-only parental care

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publicJun 2023View details →

Rates of alloparental care by male stickleback in natural lake populations

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opencc-by-4.0Feb 2015View details →

Figure 1. Iporangaia pustulosa male touching the metatarsal gland IV in Mode of use of sexually dimorphic glands in a Neotropical harvestman (Arachnida: Opiliones) with paternal care

Figure 1. Iporangaia pustulosa male touching the metatarsal gland IV on a leaf (seta).

opencc-by-4.0Feb 2015View details →

Figure 2. Iporangaia pustulosa male rubbing the right metatarsus IV in Mode of use of sexually dimorphic glands in a Neotropical harvestman (Arachnida: Opiliones) with paternal care

Figure 2. Iporangaia pustulosa male rubbing the right metatarsus IV against the substrate (seta).

opencc-zeroMar 2020View details →

Contribution of males to brood care can compensate for their food consumption from a shared resource

The sharing of the same food source among parents and offspring can be a driver of the evolution of family life and parental care. However, if all family members desire the same meal, competitive situations can arise, especially if resource depletion is likely. When food is shared for reproduction and the raising of offspring, parents have to decide whether they should invest in self-maintenance or in their offspring and it is not entirely clear how these two strategies are balanced. In the burying beetle Nicrophorus vespilloides, parents care for their offspring either bi- or uniparentally at a vertebrate carcass as the sole food source. The question of whether biparental care in this species offers the offspring a better environment for development compared with uniparental care has been the subject of some debate. We tested the hypothesis that male contribution to biparental brood care has a beneficial effect on offspring fitness but that this effect can be masked because the male also feeds from the shared resource. We show that a mouse carcass prepared by two Nicrophorus beetles is lighter compared with a carcass prepared by a single female beetle at the start of larval hatching and provisioning. This difference in carcass mass can influence offspring fitness when food availability is limited, supporting our hypothesis. Our results provide new insights into the possible evolutionary pathway of biparental care in this species of burying beetles.

opencc-by-4.0May 2024View details →

Effects of nest-site availability on male-male competition and the foraging costs associated with paternal care in a resource-defense species

Effects of nest-site availability on male-male competition and associated costs of nest site maintenance and paternal care in a resource-defense species This repository contains the .csv files used for the statistical analyses of the study "Effects of nest-site availability on male-male competition and associated costs of nest site maintenance and paternal care in a resource-defense species". In case of questions, please email Laís A. Grossel: <a href="mailto:laisgrossel@gmail.com">laisgrossel@gmail.com</a> Data files and structure We have files for the analysis with field and experimental data. With the file field.csv we tested the probability of males obtaining a nest and receiving eggs from females. In this file, we have the headers: <ul> <li>maleID: identity of males in the field</li> <li>DSW: dorsal scute width, in mm</li> <li>mass: to the nearest 0.001 g</li> <li>nest_possession: with 2 levels: 0 if the male did not possess a nest and 1 if the male possessed a nest</li> <li>nest_opening: in cm</li> <li>parental_status: with 3 levels: 0 if the male did not have a nest, 1: if the male had a nest but no eggs, and 2: if the male had a nest and eggs</li> </ul> With the file experiment_nests.csv we tested predictions related with the nest possession. In this file, we have the headers: <ul> <li>terrariaID: identity of the 14 terraria (containing 4 or 8 nests)</li> <li>exp_group: experimental group, with 2 levels of nests availability: low (4 nests per terraria) and high (8 nests per terraria)</li> <li>nestID: identity of the nests</li> <li>occupation: if the nest was once occupied during the experiment, with 2 levels: 0 if it was never occupied and 1 if it was occupied at least once</li> <li>occupied_scans: number of scans with any male inside the nest</li> <li>vacant_scans: number of scans without any male inside the nest</li> <li>total_scans: total number of observation scans </li> <li>owners: number of different owners of the nest (at least 6 consecutive scans)</li> <li>turnover: if there was at least a substitution of the nest owner without figths, with 2 levels: 0 if there was not any substitution and 1 if there was a substitution</li> <li>turnovers_number: number of substitutions of the nest owner without figths</li> <li>takeover: if there was at least a takeover attempt of the nest after figths, with 2 levels: 0 if there was not any attempt and 1 if there was an attempt</li> <li>takeovers_number: number of takeover attempts of the nest after figths</li> <li>fight: if there was at least a figth inside or close to the nest, with 2 levels: 0 if there was not any figth and 1 if there was a figth</li> <li>fights_number: number of figths inside or close to the nest</li> <li>canibalism: if there was at least a cannibalism event inside the nest, 2 levels: 0 if there was not any cannibalism event and 1 if there was a cannibalism event</li> <li>canibalism_number: number of cannibalism events inside the nest</li> </ul> With the file experiment_males.csv we tested predictions related to the males owners. In this file, we have the headers: <ul> <li>terrariaID: identity of the 14 terraria (containing 4 or 8 nests)</li> <li>exp_group: experimental group, with 2 levels of nests availability: low (4 nests per terraria) and high (8 nests per terraria)</li> <li>maleID: identitity of the males</li> <li>DSW: dorsal scute width, in mm</li> <li>nest_possession: with 2 levels: 0 if the male never possessed a nest during the experiment and 1 if the male possessed a nest at least once (6 consecutive scans)</li> <li>nestID: identity of the nest possessed by the male</li> <li>inside_scans: number of scans with the male inside his nest</li> <li>outside_scans: number of scans with the male outside his nest</li> <li>total_scans: total number of scans in which the male was the owner of the nest</li> <li>takeover: if the male suffered a takeover attempt of his nest, with 2 levels: 0 if the male did not suffer any attempt and 1 if the male suffered an attempt</li> <li>eggs: if the male received eggs from a female, with 2 levels: 0 if the male did not receive eggs and 1 if the male received eggs</li> <li>eggs_number: number of eggs received </li> <li>cannibalism: if the owner male cannibalized the eggs inside the nest, 2 levels: 0 if the male did not cannibalize eggs and 1 if the male cannibalized eggs</li> <li>cannibalism_number: number of cannibalism events by the owner male </li> </ul> With the file fights-takeovers.csv we tested predictions related with nest takeovers. In this file, we have the headers: <ul> <li>terrariaID: identity of the 14 terraria (containing 4 or 8 nests)</li> <li>exp_group: experimental group, with 2 levels of nests availability: low (4 nests per terraria) and high (8 nests per terraria)</li> <li>nestID: identity of the nest possessed by the male</li> <li>focalID: identitity of the focal males (the owner nest)</li> <li>DSW: dorsal scute width, in mm</li> <li>fight: if the male was involved in at least a figth, with 2 levels: 0 if the male was not involved in any figth and 1 if the male was involved in a figth</li> <li>takeover: if the male suffered a takeover attempt of his nest, with 2 levels: 0 if the male did not suffer any attempt and 1 if the male suffered an attempt. Obs: the nest takeover always happens after a fight. If there was a takeover, then there was a fight too.</li> <li>res_focal: result of the figth or takeover for the focal male, with 2 levels: 0 if the focal male did not lose the figth or the nest and 1 if the focal male lost the figth or the nest</li> <li>intruderID: identity of the intruder male involved in the figth or the takeover with the owner male</li> <li>intruder_DSL: dorsal scute width of the intruder male, in mm</li> <li>dyad: identity of the two individuals involved in the figth or takeover (owner male and intruder male)</li> <li>DSW_difference: difference between the dorsal scute width of the dyad (focal male minus intruder male)</li> </ul> With the file foraging.csv we tested a prediction related with males foraging. In this file, we have the headers: <ul> <li>terrariaID: identity of the 14 terraria (containing 4 or 8 nests)</li> <li>exp_group: experimental group, with 2 levels of nests availability: low (4 nests per terraria) and high (8 nests per terraria)</li> <li>nestID: identity of the nest possessed by the male</li> <li>maleID: identitity of the males</li> <li>parental_status: with 2 levels: 0 if the male did not have eggs in the nest and 1: if the male had eggs</li> <li>inside_scans: number of scans with the male inside his nest</li> <li>outside_scans: number of scans with the male outside his nest</li> <li>total_scans: total number of scans in which the male was the owner of the nest</li> </ul>

opencc-by-4.0Feb 2023View details →

Androgen and prolactin manipulation do not induce changes in gene expression in the telencephalon in parental male bluegill (Lepomis macrochirus) during parental care

Transcriptome of the prosencephalon of 11-KT, prolactin and placebo implanted fish.

opencc-zeroMay 2023View details →

Data from: Brood size, food availability, and body size affects male care decisions and offspring performance

Parental care strategies do not only vary greatly across species, but also within species, there can be substantial between- and within-individual variation in parental care behaviour. To better understand the evolution of care strategies, it is crucial to determine how and when parents modify their behaviour in response to internal as well as environmental factors. Here, we investigated the effect of brood size, resource size and an individual's quality on care strategies of uniparental males and examined the downstream consequences on offspring performance in the burying beetle Nicrophorus vespilloides. Burying beetles breed on small vertebrate cadavers and, on average, males invest much less in care than females. Nevertheless, we found that uniparentally caring males were responsive to their social and non-social environment and adjusted the amount as well as the type of care to the size of the brood, the size of the cadaver and their own body size. Additionally, we show that the care strategies affected offspring performance. Specifically, males that cared longer had larger and more surviving larvae. Our results add to our understanding of plastic parenting strategies by showing that even the sex that provides less care can evolve a very flexible care behaviour.

ClinicalTrials.gov36/100

A Study to Assess the Safety of Myozyme® and of Aldurazyme® in Male and Female Participants of Any Age Group With Pompe Disease or With Mucopolysaccharidosis Type I (MPS I) in a Home-care Setting

ClinicalTrials.gov study NCT05073783. IPD Sharing: YES. Countries: 1. Publications: 0.

controlledIPD-YESFeb 2026View details →

ClinicalTrials.gov36/100

We Prevent: A Dyadic Approach to HIV Prevention and Care Among Young Male Couples

ClinicalTrials.gov study NCT03551938. IPD Sharing: NO. Countries: 1. Publications: 1.

closedIPD-NOFeb 2026View details →

publicSep 2025View details →

Data from: Carotenoid-dependent plumage coloration is associated with reduced male care in passerine birds

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publicMay 2023View details →

Data from: Brood size, food availability, and body size affects male care decisions and offspring performance

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publicMar 2025View details →

Male activity under risk predicts paternal care and reproductive success in a bi-parental cichlid

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publicApr 2025View details →

First discovery on interspecific parental care of Siberian stonechat (Saxicola maurus) nestlings provided by a male White wagtail (Motacilla alba)

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