Krish Sanghvi
@krishsanghvi11.bsky.social
Post doc in sexual selection, life history
Pinned
Krish Sanghvi
@krishsanghvi11.bsky.social
· Jun 27
Diagnosing confounded Bateman gradients
Abstract. The Bateman gradient is a fundamental metric of sexual selection, often interpreted as the fitness advantage individuals gain by increasing their
academic.oup.com
How to interpret sexual selection using Bateman gradients? When are these not informative & how should researchers identify, deal with confounded gradients? We simulate anisogamy & sperm competition to provide a guide for using Bateman gradients. Out in Evolution
academic.oup.com/evolut/advan...
academic.oup.com/evolut/advan...
Reposted by Krish Sanghvi
So happy to share that my last PhD chapter is finally out in Proc. B! We looked at chacma baboon offspring interference in grooming sessions between their mom and siblings, and asked whether these behaviours could represent jealous reactions.
royalsocietypublishing.org/rspb/article...
royalsocietypublishing.org/rspb/article...
Sibling interference in mother–offspring interactions reveals jealous reactions in wild baboons
Abstract. Whether non-human animals can experience complex emotions like jealousy remains debated. In humans, jealousy is particularly salient in sibships,
royalsocietypublishing.org
February 11, 2026 at 11:31 AM
So happy to share that my last PhD chapter is finally out in Proc. B! We looked at chacma baboon offspring interference in grooming sessions between their mom and siblings, and asked whether these behaviours could represent jealous reactions.
royalsocietypublishing.org/rspb/article...
royalsocietypublishing.org/rspb/article...
Reposted by Krish Sanghvi
Male frogs’ mating calls become faster and more appealing as temperatures rise, providing females with cues about optimal breeding conditions and environmental suitability. doi.org/hbn9z6
Temperature affects the quality of male frogs' mating calls: Females can hear the difference
A study from the University of California, Davis, found that temperature affects the sound and quality of male frogs' mating calls.
phys.org
February 12, 2026 at 4:00 PM
Male frogs’ mating calls become faster and more appealing as temperatures rise, providing females with cues about optimal breeding conditions and environmental suitability. doi.org/hbn9z6
Reposted by Krish Sanghvi
The sperm of fathers experiencing immune activation are rich with a type of small RNAs that can lead to significant changes in offspring, including obesity, impaired insulin sensitivity, anxiety, and aggression, according to a study in mice. In PNAS Nexus: https://ow.ly/LOWJ50YetfJ
February 12, 2026 at 5:30 PM
The sperm of fathers experiencing immune activation are rich with a type of small RNAs that can lead to significant changes in offspring, including obesity, impaired insulin sensitivity, anxiety, and aggression, according to a study in mice. In PNAS Nexus: https://ow.ly/LOWJ50YetfJ
Reposted by Krish Sanghvi
Comparative analysis across 5,678 insect species shows that, when you control for phylogenetic bias, eusociality has not evolved at a faster rate in haplodiploid species. www.pnas.org/doi/10.1073/...
February 12, 2026 at 6:41 PM
Comparative analysis across 5,678 insect species shows that, when you control for phylogenetic bias, eusociality has not evolved at a faster rate in haplodiploid species. www.pnas.org/doi/10.1073/...
Reposted by Krish Sanghvi
Ants rely on scent to recognise their comrades, and when they are exposed to common air pollutants, other members of their colony react as if they are enemies
Ants attack their nest-mates because pollution changes their smell
Ants rely on scent to recognise their comrades, and when they are exposed to common air pollutants, other members of their colony react as if they are enemies
www.newscientist.com
February 11, 2026 at 6:20 PM
Ants rely on scent to recognise their comrades, and when they are exposed to common air pollutants, other members of their colony react as if they are enemies
Reposted by Krish Sanghvi
This new #RSOS study examined young and old Pacific #oyster males to see whether getting older affects how fast their sperm swim: doi.org/10.1098/rsos...
February 11, 2026 at 8:01 AM
This new #RSOS study examined young and old Pacific #oyster males to see whether getting older affects how fast their sperm swim: doi.org/10.1098/rsos...
Reposted by Krish Sanghvi
🐺 New Research Methods Guide - Demographic buffering in natural populations: A multi-level perspective
📖 Read the full paper here ➡️ buff.ly/gfpcHRB
📖 Read the full paper here ➡️ buff.ly/gfpcHRB
February 11, 2026 at 11:01 AM
🐺 New Research Methods Guide - Demographic buffering in natural populations: A multi-level perspective
📖 Read the full paper here ➡️ buff.ly/gfpcHRB
📖 Read the full paper here ➡️ buff.ly/gfpcHRB
Reposted by Krish Sanghvi
🎉 New paper in Nature Communications 🎉
rdcu.be/e24jT
Does our environment influence how likely we are to help others?
rdcu.be/e24jT
Does our environment influence how likely we are to help others?
Humans are more prosocial in poor foraging environments
Nature Communications - People constantly decide whether to stop what they are doing to do something else. Here, the authors show that the quality of available options has a greater influence on...
rdcu.be
February 10, 2026 at 11:27 AM
🎉 New paper in Nature Communications 🎉
rdcu.be/e24jT
Does our environment influence how likely we are to help others?
rdcu.be/e24jT
Does our environment influence how likely we are to help others?
Reposted by Krish Sanghvi
'Life cycle complexity drives variation in thermal tolerance and plasticity' doi.org/10.32942/X29...
February 11, 2026 at 6:00 AM
'Life cycle complexity drives variation in thermal tolerance and plasticity' doi.org/10.32942/X29...
Reposted by Krish Sanghvi
🪶 New Research reveals that hormonal plasticity to food restriction is heritable in the house sparrow, Passer domesticus
📖 Read the full paper here! ➡️ buff.ly/BoWB3Dt
📖 Read the full paper here! ➡️ buff.ly/BoWB3Dt
February 10, 2026 at 1:02 PM
🪶 New Research reveals that hormonal plasticity to food restriction is heritable in the house sparrow, Passer domesticus
📖 Read the full paper here! ➡️ buff.ly/BoWB3Dt
📖 Read the full paper here! ➡️ buff.ly/BoWB3Dt
Reposted by Krish Sanghvi
Scientists have identified specific neurons in female fruit flies that integrate sensory signals and drive behavioral changes after mating, offering new insights into how the brain regulates reproduction. doi.org/hbn5dr
Fruit fly study reveals how mating triggers behavioral changes in females
Researchers from The Universities of Manchester and Birmingham have identified the exact nerve cells in the brain that drive important behavioral changes in female fruit flies after they mate.
phys.org
February 10, 2026 at 1:53 PM
Scientists have identified specific neurons in female fruit flies that integrate sensory signals and drive behavioral changes after mating, offering new insights into how the brain regulates reproduction. doi.org/hbn5dr
Reposted by Krish Sanghvi
Humans alter the daily timing of animal activity, potentially reshaping predator–prey interactions. This meta-analysis reveals that large predators overlap less with their prey, and large prey overlap more with their predators.
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Predator-prey temporal niche partitioning under human disturbance: a meta-analysis - Nature Communications
Humans alter the daily timing of animal activity, potentially reshaping predator–prey interactions. This meta-analysis reveals that larger species tend to “lose” under human disturbance, with large pr...
www.nature.com
February 10, 2026 at 5:20 PM
Humans alter the daily timing of animal activity, potentially reshaping predator–prey interactions. This meta-analysis reveals that large predators overlap less with their prey, and large prey overlap more with their predators.
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Reposted by Krish Sanghvi
Territoriality, sociality and male weaponry shape horn investment in female bovids
#Competition #Mammal
doi.org/10.1093/behe...
#Competition #Mammal
doi.org/10.1093/behe...
February 10, 2026 at 5:51 PM
Territoriality, sociality and male weaponry shape horn investment in female bovids
#Competition #Mammal
doi.org/10.1093/behe...
#Competition #Mammal
doi.org/10.1093/behe...
Reposted by Krish Sanghvi
Happy to share that our work on direct & indirect social effects in producer-scrounger behaviours was recently published in JEB:
academic.oup.com/jeb/advance-...
@roriwijnhorst.bsky.social @dingemanselab.bsky.social @ali--wilson.bsky.social
academic.oup.com/jeb/advance-...
@roriwijnhorst.bsky.social @dingemanselab.bsky.social @ali--wilson.bsky.social
Among-trait covariance and cross-year repeatability for direct and indirect individual effects in producer–scrounger behaviour in wild house sparrows
Abstract. Variation in traits expressed during social interactions can be attributed to direct individual effects (DIEs) of the focal individual’s identity
academic.oup.com
February 9, 2026 at 4:47 PM
Happy to share that our work on direct & indirect social effects in producer-scrounger behaviours was recently published in JEB:
academic.oup.com/jeb/advance-...
@roriwijnhorst.bsky.social @dingemanselab.bsky.social @ali--wilson.bsky.social
academic.oup.com/jeb/advance-...
@roriwijnhorst.bsky.social @dingemanselab.bsky.social @ali--wilson.bsky.social
Reposted by Krish Sanghvi
🦋 New research challenges the Temperature-Size Rule and highlights climate change’s potential to profoundly reshape butterfly life cycles, population dynamics, and ecological interactions.
📖 Read the full paper here ➡️ buff.ly/zFrpO7t
📖 Read the full paper here ➡️ buff.ly/zFrpO7t
February 9, 2026 at 11:01 AM
🦋 New research challenges the Temperature-Size Rule and highlights climate change’s potential to profoundly reshape butterfly life cycles, population dynamics, and ecological interactions.
📖 Read the full paper here ➡️ buff.ly/zFrpO7t
📖 Read the full paper here ➡️ buff.ly/zFrpO7t
Reposted by Krish Sanghvi
A newly identified iguanodontian dinosaur from China, Haolong dongi, displays unique hollow skin spikes, marking the first evidence of such structures in dinosaurs. doi.org/hbnx8x
A dinosaur with spikes exhibiting unprecedented properties discovered in China
Documented for 200 years, the Iguanodontia group is expanding with the discovery of a brand-new species, the first known to bear spikes with properties never before observed in dinosaurs.
phys.org
February 9, 2026 at 5:49 AM
A newly identified iguanodontian dinosaur from China, Haolong dongi, displays unique hollow skin spikes, marking the first evidence of such structures in dinosaurs. doi.org/hbnx8x
Reposted by Krish Sanghvi
Really taken with Haolong dongi, out today from Jiandong Huang, Pascal Godefroit and team. Just submitted news article on it. An iguanodontian with abundant hollow spikes across the neck and body, projecting from among conventional basement scales, and with rows of plate-like scales along the tail.
February 6, 2026 at 3:55 PM
Really taken with Haolong dongi, out today from Jiandong Huang, Pascal Godefroit and team. Just submitted news article on it. An iguanodontian with abundant hollow spikes across the neck and body, projecting from among conventional basement scales, and with rows of plate-like scales along the tail.
Reposted by Krish Sanghvi
Two-year-olds expect people to act in accordance with their social group identity, rather than their individual identity, when outgroup members are present, according to an experiment using fictional groups named “cheebas” and “moblins.” In PNAS: https://ow.ly/T5MQ50YapF6
February 6, 2026 at 9:00 PM
Two-year-olds expect people to act in accordance with their social group identity, rather than their individual identity, when outgroup members are present, according to an experiment using fictional groups named “cheebas” and “moblins.” In PNAS: https://ow.ly/T5MQ50YapF6
Reposted by Krish Sanghvi
Aging populations threaten conservation goals of zoos @PNAS.org
Aging populations threaten conservation goals of zoos
Proceedings of the National Academy of Sciences, Volume 123, Issue 5, February 2026.
SignificanceZoos play an important role for global biodiversity through education, ex situ conservation, and reintroduction programs. For wildlife species currently threatened in their natural habitats or predicted to decline under future global change, ...
dlvr.it
February 6, 2026 at 12:22 PM
Aging populations threaten conservation goals of zoos @PNAS.org
Reposted by Krish Sanghvi
This new #RSOS study of free-ranging red #deer on Scotland’s Isle of Rum found that females with stronger social bonds lived longer, produced more offspring, and had more offspring survive to two years of age than less connected individuals: doi.org/10.1098/rsos...
February 6, 2026 at 7:01 PM
This new #RSOS study of free-ranging red #deer on Scotland’s Isle of Rum found that females with stronger social bonds lived longer, produced more offspring, and had more offspring survive to two years of age than less connected individuals: doi.org/10.1098/rsos...
Reposted by Krish Sanghvi
Evolutionarily conserved behavioral plasticity enables context-dependent mating in C. elegans
www.cell.com/current-biol...
www.cell.com/current-biol...
Evolutionarily conserved behavioral plasticity enables context-dependent mating in C. elegans
Susoy and Samuel describe a new context-dependent behavior in C. elegans. When cultured
on solid surfaces and in liquid, C. elegans males adopt different behavioral strategies—parallel
and spiral mati...
www.cell.com
February 6, 2026 at 7:35 PM
Evolutionarily conserved behavioral plasticity enables context-dependent mating in C. elegans
www.cell.com/current-biol...
www.cell.com/current-biol...
Reposted by Krish Sanghvi
Cognitive decline in aging parasitoid wasps https://www.biorxiv.org/content/10.64898/2026.02.03.703543v1
February 6, 2026 at 12:45 AM
Cognitive decline in aging parasitoid wasps https://www.biorxiv.org/content/10.64898/2026.02.03.703543v1
Reposted by Krish Sanghvi
New preprint from our big collaborative evolution experiment in 9 whole lakes in Alaska, written by McGill grad student @lucaseckert.bsky.social
www.biorxiv.org/content/10.6...
What happens if you put a mixture of multiple source populations together to complete & evolve in multiple new lakes?
www.biorxiv.org/content/10.6...
What happens if you put a mixture of multiple source populations together to complete & evolve in multiple new lakes?
February 5, 2026 at 8:41 PM
New preprint from our big collaborative evolution experiment in 9 whole lakes in Alaska, written by McGill grad student @lucaseckert.bsky.social
www.biorxiv.org/content/10.6...
What happens if you put a mixture of multiple source populations together to complete & evolve in multiple new lakes?
www.biorxiv.org/content/10.6...
What happens if you put a mixture of multiple source populations together to complete & evolve in multiple new lakes?
Reposted by Krish Sanghvi
Active sensing: How the rat moves its whiskers CurrentBiology
Active sensing: How the rat moves its whiskers
Humans and animals learn about the world through targeted and deliberate movement of the head, eyes, hands, and other sensors. A new study demonstrates how the geometry of the rat whisker system simplifies the motor control of active sensing.
dlvr.it
February 6, 2026 at 1:34 AM
Active sensing: How the rat moves its whiskers CurrentBiology
Reposted by Krish Sanghvi
Hot off the press 🐣 Do birds have any idea of what their eggs look like? Contrary to our expectations, we show that barn swallows don't, nor do they learn it over time. Yet that doesn't stop them from successfully ejecting foreign eggs!
🔗 Read more here: doi.org/10.1098/rsbl... #OpenAccess
🔗 Read more here: doi.org/10.1098/rsbl... #OpenAccess
Recent breeding experience improves egg ejection behaviour
Abstract. Recognizing one’s own eggs is crucial for birds, especially for hosts of brood parasites that must identify and reject different-looking parasiti
doi.org
February 5, 2026 at 1:03 PM
Hot off the press 🐣 Do birds have any idea of what their eggs look like? Contrary to our expectations, we show that barn swallows don't, nor do they learn it over time. Yet that doesn't stop them from successfully ejecting foreign eggs!
🔗 Read more here: doi.org/10.1098/rsbl... #OpenAccess
🔗 Read more here: doi.org/10.1098/rsbl... #OpenAccess