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54 results for “male care”
Conflict and cooperation in male-male partnerships alters paternal care in the ocellated wrasse
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Data from: Where are all the moms? external fertilization predicts the rise of male parental care in bony fishes
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Data from: Male and female preferences for nest characteristics under paternal care
Nests play a critical role for offspring development across the animal kingdom. Nest quality may contribute to the builder's extended phenotype and serve as an ornament during mate choice. We examined male and female nest choice in the common goby (Pomatoschistus microps), a benthic fish with male-only parental care where females deposit eggs in male-built nests. Using pre-built nest models, we independently manipulated two candidate nest quality traits, (i) nest entrance width with a role in oxygen ventilation and (ii) extent of sand cover with a role in camouflage. In simultaneous choice trials, male gobies exhibited no preference for any nest model type. This suggests that initial characteristics of a nesting substrate have minor importance for males, which usually remodel the nest. Females were given a choice between two males occupying either entrance- or cover-manipulated nests. The same pair of males was then exposed to a second female but now with alternated nest types assigned. Most females were consistent in choosing the same, typically the heavier male of the two regardless of nest properties. However, the females that chose the same nest regardless of the male preferred low over high sand coverage and narrow over wide nest entrance. Our results indicate that females base their mating decision on a combination of male phenotype and nest traits. While we found no indication that females are attracted to highly decorated nests, our study is the first in fishes to disentangle a preference for narrow (and thus more protective) nest entrances independent of nest coverage.
Data from: Male-only care and cuckoldry in black coucals: does parenting hamper sex life?
Providing parental care often reduces additional mating opportunities. Paternal care becomes easier to understand if trade-offs between mating and caring remain mild. The black coucal Centropus grillii combines male-only parental care with 50% of all broods containing young sired by another male. To understand how much caring for offspring reduces a male's chance to sire additional young in other males' nests, we matched the production of extra-pair young in each nest with the periods during which potential extra-pair sires were either caring for offspring themselves or when they had no own offspring to care for. We found that males that cared for a clutch were not fully excluded from the pool of competitors for siring young in other males' nests. Instead, the relative siring success showed a temporary dip. Males were approximately 17% less likely to sire young in other males' nests while they were incubating, about 48% less likely to do so while feeding nestlings, followed by 26% when feeding fledglings, compared to the success of males that currently did not care for offspring. These results suggest that real-life care situations by males may involve trade-off structures that differ from, and are less strict than those frequently employed in theoretical considerations of operational sex ratios, sex roles, and parenting decisions.
FIG. 3 in Rates of Alloparental Care by Male Stickleback in Natural Lake Populations
FIG. 3. Relationships between mismatch proportion and presence or absence of vegetation within 1 m of male stickleback nests across all lakes (n ¼ 15). Bold lines indicate significant lake trends (P, 0.05).
FIG. 1 in Rates of Alloparental Care by Male Stickleback in Natural Lake Populations
FIG. 1. Frequency of alloparenting across lakes. Rates of mismatch (filled symbols) and 95% confidence intervals are shown with the total number of eggs tested for mismatch. Lakes are ordered from smallest to largest in surface area.
FIG. 2 in Rates of Alloparental Care by Male Stickleback in Natural Lake Populations
FIG. 2. Mismatch probability based on male Z-d13C (a measure of diet, standardized to remove among-lake variation in mean and variance). Higher (less negative) values of Z- d13C indicate a more benthic diet; a bean plot shows the distribution while the tick marks represent individual data points.
FIGURE 3. Male genitalia. A–C in Two new species of Phareicranaus Roewer, 1913 (Opiliones: Laniatores: Cranaidae), with notes on gregarious behavior and maternal care in Phareicranaus manauara
FIGURE 3. Male genitalia. A–C, Phareicranaus rohei sp. nov.: A, dorsal view. B, lateral view. C, ventral view. Phareicranaus tizana sp. nov.: D, dorsal view. E, lateral view. F, ventral view. Scale bar: 0.1 mm.
Male Involvement in Antenatal Care and the Prevention Programme of Mother-to-child Transmission of HIV in Uganda
ClinicalTrials.gov study NCT01144234. IPD Sharing: Not stated. Countries: 1. Publications: 2.
Impact of Folates in the Care of the Male Infertility
ClinicalTrials.gov study NCT01407432. IPD Sharing: Not stated. Countries: 1. Publications: 30.
Strategies to Increase HIV Testing, Linkages to Care, and Male Circumcision in Africa
ClinicalTrials.gov study NCT02038582. IPD Sharing: Not stated. Countries: 2. Publications: 1.
A Study to Investigate the Virologic Efficacy and Safety of VH3810109 + Cabotegravir Compared to Standard of Care (SOC) in Male and Female Adults Living With Human Immunodeficiency Virus (HIV)
ClinicalTrials.gov study NCT05996471. IPD Sharing: YES. Countries: 2. Publications: 0.
Impact of Urinary Catheter Fixation on Meatal Pressure Injury in Male Patients in the Intensive Care Unit
ClinicalTrials.gov study NCT06967116. IPD Sharing: YES. Countries: 1. Publications: 6.
Data from: Male and female preferences for nest characteristics under paternal care
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Data from: Male care and life history traits in mammals
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Data from: Male-only care and cuckoldry in black coucals: does parenting hamper sex life?
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Data from: Sexual selection of male parental care in giant water bugs
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Data from: Oxidative stress during courtship affects male and female reproductive effort differentially in a wild bird with biparental care
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Data from: Male burying beetles extend, not reduce, parental care duration when reproductive competition is high
Male parents spend less time caring than females in many species with biparental care. The traditional explanation for this pattern is that males have lower confidence of parentage, so they desert earlier in favor of pursuing other mating opportunities. However, one recent alternative hypothesis is that prolonged male parental care might also evolve if staying to care actively improves paternity. If this is the case, an increase in reproductive competition should be associated with increased paternal care. To test this prediction we manipulated the level of reproductive competition experienced by burying beetles, Nicrophorus vespilloides (Herbst, 1783). We found that caregiving males stayed for longer and mated more frequently with their partner when reproductive competition was greater. Reproductive productivity did not increase when males extended care. Our findings provide support for the increased paternity hypothesis. Extended duration of parental care may be a male tactic both protecting investment (in the current brood) and maximising paternity (in subsequent brood(s) via female stored sperm) even if this fails to maximise current reproductive productivity and creates conflict of interest with their mate via costs associated with increased mating frequency.
A Trial That Evaluates Disease Characteristics in Hemophilia B Adult Male Participants Receiving Prophylaxis With Standard of Care Factor IX Protein (FIX) Replacement Therapy
ClinicalTrials.gov study NCT05568459. IPD Sharing: YES. Countries: 4. Publications: 0.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.