Results 241 to 250 of about 191,320 (314)

Cowbirds use conspecific social information to detect host nests in the wild

open access: yesIbis, Volume 168, Issue 2, Page 799-804, April 2026.
Recent work shows that hosts of avian brood parasites use social information to increase egg rejection rates, but fewer studies explore how parasites themselves use such information to detect host nests in the wild. To determine whether wild Brown‐headed Cowbirds Molothrus ater use social information to detect host nests, we measured how individual ...
Omar J. Morosse   +2 more
wiley   +1 more source

Latitudinal Clines in Gene Flow and Demographic Stability Reveal Drivers of Microendemism in a Radiation of Alpine Grasshoppers

open access: yesMolecular Ecology, Volume 35, Issue 7, April 2026.
ABSTRACT Understanding the geological, ecological, and microevolutionary processes that shape range size in alpine organisms is key to explaining the high rates of local endemism that characterise mountain ecosystems. Here, we investigate the geography of speciation in Oropodisma, a radiation of alpine grasshoppers from the Balkan Peninsula that ...
Joaquín Ortego   +3 more
wiley   +1 more source

Policy Innovation in Barcelona and Utrecht: The Role of Advocacy Coalitions in Multilevel Contexts

open access: yesPolitics &Policy, Volume 54, Issue 2, April 2026.
ABSTRACT This article explores how policy innovation in local social policies emerges within a multilevel governance context. Drawing on the Advocacy Coalition Framework (ACF), it examines how beliefs, coalitions, and institutional arrangements interact across different political arenas—European, national/regional, and local—to foster innovative social
Bruno Miguel Oliveira
wiley   +1 more source

Historical Institutionalism and Transnational Influence: Social Policy Responses to the Great Depression in the United States and Canada

open access: yesPolitics &Policy, Volume 54, Issue 2, April 2026.
ABSTRACT The Great Depression was a turning point in the development of social programming in North America. This paper explores the politics of social policy expansion during the Great Depression in the United States and Canada through an analytical lens that combines the insights of historical institutionalism and the analysis of transnational ...
Daniel Béland   +2 more
wiley   +1 more source

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