Vladimir Pravosudov

Vladimir Pravosudov

@cognitiveecol.bsky.social

Cognitive and Behavioral Ecology Lab

726 followers217 following82 posts

Vladimir Pravosudov reposted

Lauren Whitenack
@laurenwhitenack.bsky.social

Our paper on the effects of weather during reproductive stages on Mountain Chickadee breeding success is published! We found that rain/cold during laying results in brood reduction. The effects of temperature on nestling mass differed between low and high elevation.🪶 academic.oup.com/auk/advance-...

academic.oup.comWeather conditions across reproductive stages affect brood size and nestling mass in a montane songbirdAbstract. Reproductive success in wild animals can be associated with prevailing climatic conditions across the breeding period, and these patterns may be
Vladimir Pravosudov
@cognitiveecol.bsky.social

New paper from the lab by @jwelklin.bsky.social besjournals.onlinelibrary.wiley.com/doi/10.1111/...

besjournals.onlinelibrary.wiley.comDrought to deluge: Differential impacts of snow on mountain chickadee reproduction across the Sierra Nevada mountainsWelklin et al. present a research framework that uses long-term data to validate participatory science observations as measurements of reproductive success. Applying this framework to a long-term stu....

Vladimir Pravosudov reposted

Royal Society Publishing
@royalsocietypublishing.org

Mountain chickadees rely on spatial memory to forage in unpredictable environments and on song to defend their territories. Watch #ProcB author Sofia Haley talk about research that suggests overall song output may be an indicator of cognitive ability: cassyni.com/events/Mw4c4... #ecology

Royal Society Publishing@royalsocietypublishing.org

More smarts, more song: male chickadees with better spatial learning and memory abilities sing more throughout the day: doi.org/10.1098/rspb... #ProcB #AnimalBehaviour

Vladimir Pravosudov reposted

PLOS Biology
@plosbiology.org

Why do we not see evolutionary change in heritable, fitness-related traits in free-living populations? @erikpostma.bsky.social &co use the #evolution of clutch size in great tits to show the importance of gene flow in explaining contemporary evolutionary change and stasis 🧪 buff.ly/ngAKH6r

Vladimir Pravosudov reposted

Devi Satarkar
@devisatarkar.bsky.social

Replying to @devisatarkar.bsky.social

We use the covariance reaction norm method (by @jsmartin.bsky.social) on 40 years of great tit data from Wytham Woods. The natal-to-adult body mass correlation in this population is high on average (r ≈ 0.7) but appears to vary with temperature, rainfall, and density, particularly during breeding.

Vladimir Pravosudov reposted

Cornish Jackdaw Project
@cornishjackdaws.bsky.social

Replying to @cornishjackdaws.bsky.social

We wish we could have cited this paper by @sonjawild.bsky.social & @lucymaplin.bsky.social , which came out after our commentary was accepted. In great tits, as in human families, siblings are important role models for social learning. journals.plos.org/plosbiology/...

journals.plos.orgSiblings and nonparental adults provide alternative pathways to cultural inheritance in juvenile great titsIn species with extended parental care, parents are often the preferred sources of information, but what about species with limited periods of parental care? This study reveals that juvenile great tit...

Vladimir Pravosudov reposted

Science Magazine
@science.org

An egg shuffle reveals how innate drivers and early environments affect European songbird’s ranges. Learn more in Science: https://scim.ag/4v8LCY0

scim.agInnate factors and ontogeny determine nonbreeding areas of migrant songbirdsMigratory birds connect ecosystems worldwide and often show connectivity between breeding and nonbreeding areas, meaning that individuals have nonbreeding (“wintering”) locations close to others from ...

Vladimir Pravosudov reposted

Beniamino Tuliozi
@btuliozi.bsky.social

Lifetime fitness (lifetime reproductive success) and annual survival are heritable and genetically correlated in wild female baboons! Moreover, nearly all of the genetic variance in LRS can be attributable to survival to first reproduction. Out at Evolution now: academic.oup.com/evolut/advan...

academic.oup.comLifetime fitness and annual survival are heritable and highly genetically correlated in a wild primate populationWe estimated the additive genetic variance (VA) and heritability of lifetime and time-limited fitness in a wild female baboon population in Kenya. We found

Vladimir Pravosudov reposted

Science Magazine
@science.org

Researchers have identified superparamagnetic macrophages in the livers of rock pigeons to be crucial for magnetic sensing. The finding uncovers an unexpected role for immune cells in sensory perception and may fundamentally change our understanding of animal navigation. https://scim.ag/4nTQ3nq

Vladimir Pravosudov reposted

Science Magazine
@science.org

A U.S. federal mandate to make scholarly papers free to read could triple the government’s bill for publishing fees to $937 million by 2030—an increase most research agencies aren’t prepared for, says a report released by Congress’s spending-watchdog agency. https://scim.ag/3Q3y29F

science.orgU.S. agencies aren’t ready for the rising cost of making research papers free, report warnsScience agencies could soon face nearly $1 billion publishing bill, Congressional analysts find

Vladimir Pravosudov reposted

Emily H. DuVal
@emilyhduval.bsky.social

May 23, 2006 is the hatch date of the world's most famous lance-tailed manakin. PXVm has starred in Netflix's 'Dancing with the Birds', and been highlighted for years by the Cornell Lab Manakin Cam. How do you celebrate such a momentous day? By dancing! Here he is today, with his current beta GSGm:

Vladimir Pravosudov reposted

Joshua Weitz
@joshuasweitz.bsky.social

New opportunity for PhD fellowships at interface of ecology & evolution from the Simons Foundation. Application deadline June 30, 2026. My interpretation is that this applies to prospective PhD students & those accepted/not yet matriculated. Full details: www.simonsfoundation.org/grant/simons...

simonsfoundation.orgSimons Graduate Fellowships in Ecology and EvolutionThe purpose of these awards is to provide support for students entering U.S.-based Ph.D. programs with a plan to perform research in ecology and evolution. While we will consider all projects in ecolo...

Vladimir Pravosudov reposted

Jørgen Søraker
@jorgensoraker.bsky.social

New paper out in Biological Reviews📝🚨 When trying to explain why female birds engage in extra-pair copulations/paternity, we mostly focus on the benefits. But what about the costs? Should we not consider the downsides of the behavior we try to understand? 🧵 onlinelibrary.wiley.com/doi/10.1002/...

onlinelibrary.wiley.comThe costs of extra‐pair behaviours in birdsExtra-pair behaviours – reproductive behaviours, including those related to copulation and paternity of offspring, amongst animals outside of a social pair bond – have long intrigued behavioural ecol...