Search Results - "Palaoro, Alexandre V."

Wettability and morphology of proboscises interweave with hawkmoth evolutionary history by Palaoro, Alexandre V., Gole, Akshata R., Sun, Yueming, Puchalski, Adam, Beard, Charles E., Adler, Peter H., Kornev, Konstantin G.

“…Hovering hawkmoths expend significant energy while feeding, which should select for greater feeding efficiency. Although increased feeding efficiency has been…”
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The hidden links between animal weapons, fighting style, and their effect on contest success: a meta‐analysis by Palaoro, Alexandre V., Peixoto, Paulo Enrique Cardoso

“…ABSTRACT In many species that fight over resources, individuals use specialized structures to gain a mechanical advantage over their rivals during contests…”
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Predicting the invasive potential of the cladoceran Daphnia lumholtzi Sars, 1885 (Crustacea: Cladocera: Daphniidae) in the Neotropics: are generalists threatened and relicts protected by their life-history traits? by Sousa, Francisco Diogo R., Palaoro, Alexandre V., Elmoor-Loureiro, Lourdes M.A., Kotov, Alexey A.

“…            Invasive species are one of the major threats to biodiversity, which is aggravated in poorly known groups, such as cladocerans. Daphnia lumholtzi…”
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Sigmoid allometries generate male dimorphism in secondary sexual traits: a comment on Packard (2023) by Buzatto, Bruno A., Machado, Glauco, Palaoro, Alexandre V.

“…The detection of male dimorphism has seen numerous statistical advances. Packard has recently criticized a widely used method, reanalyzing data from beetles…”
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Haemolymph viscosity in hawkmoths and its implications for hovering flight by Brasovs, Artis, Palaoro, Alexandre V, Aprelev, Pavel, Beard, Charles E, Adler, Peter H, Kornev, Konstantin G

“…Viscosity determines the resistance of haemolymph flow through the insect body. For flying insects, viscosity is a major physiological parameter limiting…”
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Flight hampers the evolution of weapons in birds by Menezes, João C. T., Palaoro, Alexandre V., Mooers, Arne

“…Birds are a remarkable example of how sexual selection can produce diverse ornaments and behaviours. Specialised fighting structures like deer's antlers, in…”
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All by myself? Meta‐analysis of animal contests shows stronger support for self than for mutual assessment models by Pinto, Nelson S., Palaoro, Alexandre V., Peixoto, Paulo E. C.

“…ABSTRACT Since the 1970's, models based on evolutionary game theory, such as war of attrition (WOA), energetic war of attrition (E‐WOA), cumulative assessment…”
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How seasonality influences the thermal biology of lizards with different thermoregulatory strategies: a meta‐analysis by Giacometti, Danilo, Palaoro, Alexandre V., Leal, Laura C., Barros, Fábio C.

“…ABSTRACT Ectotherms that maintain thermal balance in the face of varying climates should be able to colonise a wide range of habitats. In lizards,…”
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Population biology of Aegla platensis (Decapoda: Anomura: Aeglidae) in a tributary of the Uruguay River, state of Rio Grande do Sul, Brazil by Dalosto, Marcelo M, Palaoro, Alexandre V, Oliveira, Davi de, Santos, Sandro

“…Aeglids are freshwater anomurans that are endemic from southern South America. While their population biology at the species-level is relatively well…”
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Harder, better, faster, stronger: Weapon size is more sexually dimorphic than weapon biomechanical components in two freshwater anomuran species by Palaoro, Alexandre V., Muniz, Danilo G., Santos, Sandro

“…Sexual selection influences the evolution of morphological traits that increase the likelihood of monopolizing scarce resources. When such traits are used…”
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Function predicts the allometry of contest-related traits, but not sexual or male dimorphism in the amazonian tusked harvestman by Palaoro, Alexandre V., García-Hernández, Solimary, Buzatto, Bruno A., Machado, Glauco

“…Animal contests involve threatening displays and physical coercion, which are respectively performed by threat devices used in mutual evaluation of size or…”
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The longer the better: evidence that narwhal tusks are sexually selected by Graham, Zackary A, Garde, Eva, Heide-Jørgensen, Mads Peter, Palaoro, Alexandre V

“…Once thought to be the magical horn of a unicorn, narwhal tusks are one of the most charismatic structures in biology. Despite years of speculation, little is…”
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Fighting does not influence the morphological integration of crustacean claws (Decapoda: Aeglidae) by Nogueira, Caio S, da Silva, Alexandre R, Palaoro, Alexandre V

“…Abstract Animal weapons are generally complex systems composed of more than one structure. A crab’s claw, for instance, is composed of a dactyl (a movable…”
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Biomechanics influence sexual dimorphism in the giant mesquite bug, Thasus neocalifornicus by Graham, Zackary A., Kaiser, Nicole, Palaoro, Alexandre V.

“…•Most research on animal weapons focuses solely on weapon size.•We stress the importance of measuring other weapon components, such as performance.•Our results…”
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Pay attention to the ladies: female aggressive behavior and weapon allometry provide clues for sexual selection in freshwater anomurans (Decapoda: Aeglidae) by Dalosto, Marcelo M., Ayres-Peres, Luciane, Araujo, Paula B., Santos, Sandro, Palaoro, Alexandre V.

“…Contesting scarce resources can trigger the evolution of specialized morphological structures (i.e., animal weapons). While most research focus on male…”
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How does environment influence fighting? The effects of tidal flow on resource value and fighting costs in sea anemones by Palaoro, Alexandre V., Velasque, Mariana, Santos, Sandro, Briffa, Mark

“…An animal's decision to enter into a fight depends on the interaction between perceived resource value (V) and fighting costs (C). Both could be altered by…”
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Fight intensity correlates with stronger and more mechanically efficient weapons in three species of Aegla crabs by Palaoro, Alexandre V., Peixoto, Paulo Enrique Cardoso, Benso-Lopes, Fernando, Boligon, Danessa Schardong, Santos, Sandro

“…In many species, individuals contest resources using specialized morphologies to overpower rivals, hereafter referred to as weapons. Despite their importance…”
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Regenerated claws of the virile crayfish Faxonius virilis (Hagen, 1870) (Decapoda: Astacidea: Cambaridae) generate weaker pinching forces compared to original claws by Graham, Zackary A, Vargas, Cindy, Angilletta, Michael J, Palaoro, Alexandre V

“…Crustaceans are known for their ability to autotomize and regenerate their appendages. The appendages that are most often autotomized are their chela, often…”
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Niche conservatism and the potential for the crayfish Procambarus clarkii to invade South America by Palaoro, Alexandre V., Dalosto, Marcelo M., Costa, Gabriel C., Santos, Sandro

“…Summary Invasive species are one of the most severe threats to biodiversity, and an ability to predict the extent of potential invasions can help conservation…”
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Freshwater decapod (Aegla longirostri) uses a mixed assessment strategy to resolve contests by Palaoro, Alexandre V., Dalosto, Marcelo M., Costa, Juliana Resende, Santos, Sandro

“…How animals decide to withdraw from a contest has puzzled researchers for years. Currently, four models try to explain how this decision is made: war of…”
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