fx dechaume-moncharmont @fxdm@mamot.fr

Rolling #ant : fighting is not always the best way to survive. Sometimes the best way is to escape. #biology #animalbehaviour #predation
📄 https://www.nytimes.com/2020/03/13/science/rolling-ants.html

Adaptive function of #narwhal tusk: hyperallometric scaling suggests that tusk length is an exaggerated trait under sexual selection. #science #biology #evolution #mammal #allometry #animalbehaviour #weapon
📄 Graham et al. (2020) The longer the better: evidence that narwhal tusks are sexually selected. Biology Letters 16:20190950 http://dx.doi.org/10.1098/rsbl.2019.0950

Interesting side effect of #gender determination by sex #chromosome. Because their sex chromosomes differ, male humans (XY) or female bids (ZW) may be more exposed to recessive deleterious #mutation, as suggested by a broad meta-analysis. #science #biology #survival
📄 Xirocostas et al. (2020) The sex with the reduced sex chromosome dies earlier: a comparison across the tree of life. Biology Letters 16:20190867 http://dx.doi.org/10.1098/rsbl.2019.0867

The plural of #anecdote is not data : my comment about the PNAS paper reporting tool use in #Puffin that have been observed using stick for preening. #biology #animalbehaviour #bird #tooluse #tool #parsimony
📄 Dechaume-Moncharmont F-X (2020) PCI Ecology:100042 http://dx.doi.org/10.24072/pci.ecology.100042

Sometimes the most beautiful colors are not to be seen : counter-intuitive case of #cryptism is iridescent #beetle. #science #biology #entomology #insect #aposematism #predation
📄 Kjernsmo et al. (2020) Iridescence as camouflage. Current Biology http://dx.doi.org/10.1016/j.cub.2019.12.013

The CNRS has just released a pretty cool video (in French) about our work on #emotion in #fish. Many thanks to them!
🔗 https://www.youtube.com/watch?v=Y-CeLd87q5w

Males sacrifice their legs to pacify aggressive females in a sexually cannibalistic #spider. #science #biology #animalbehaviour
📄 Neumann R, Schneider JM (2020) Animal Behaviour 159:59–67 http://dx.doi.org/10.1016/j.anbehav.2019.11.003

Even solitary #shark can rely on #social information to learn new foraging routes. #science #biology #animalbehaviour #fish #learning
📄 Vila Pouca et al (2020) Social learning in solitary juvenile sharks. Animal Behaviour 159:21–27 http://dx.doi.org/10.1016/j.anbehav.2019.10.017

Is the #evolution of #emotion #semantics driven by neurobiological or cultural constraints? An analysis based on the comparison of 2474 languages reveals that emotion words vary in meaning across languages, but some general trends are conserved between geographically distant cultures. #science #language #culture
📄 Jackson et al. (2019) Emotion semantics show both cultural variation and universal structure. Science 366:1517–1522 http://dx.doi.org/10.1126/science.aaw8160

Property transfers in chain in hermit #crab: real estate crisis, resource #monopolization, #inequality, #wealth distribution and #gini coefficient. #biology #animalbehaviour #economy #shell
📄 Chase (2020) Physica A: Statistical Mechanics and its Applications 538:122962 http://dx.doi.org/10.1016/j.physa.2019.122962

Nice case of sexual conflict in #hermaphrodite #flatworm : giving #sperm is far more important than receiving some from the partner. #science #biology #evolution #animalbehaviour #sexualselection
📄 Patlar et al (2020) Current Biology http://dx.doi.org/10.1016/j.cub.2019.11.018

#Ants are able to solve complex problems of #diet balance at the colony level. A new paper from the amazing DrDrey's lab. #science #biology #animalbehaviour #foraging #collective
📄 Csata et al (2020) Current Biology http://dx.doi.org/10.1016/j.cub.2019.11.019