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Bird eggs

Heavy metals and eggshell coloration in House Sparrow (Passer domesticus) eggshells across the Eastern United States

Suzanne Hartley, Caren Cooper, Mariah Patton, Chris Hawn, Kathryn Jewell, Aubrey Wiggins, Memuna Khan, Daniel Hanley

published 25 Feb 2026

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Conformity and individual preference shape nest material use in zebra finches (Taeniopygia guttata)

Julia L. Self, Andrés Camacho-Alpízar, Priya Binwal, Umama Mir, Stefan Stanescu, Benjamin A. Whittaker, Lauren M. Guillette

published 11 Feb 2026

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Earliest geometries: A cognitive investigation of Howiesons Poort engraved ostrich eggshells

Valentina Decembrini, Ludovica Ottaviano, Mattia Cartolano, Enza Elena Spinapolice, Silvia Ferrara

published 11 Feb 2026

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Egg quality characteristics of South African Potchefstroom Koekoek and commercial Lohmann brown layer chickens: A comparative study

Victoria Rankotsane Hlokoe, Thobela Louis Tyasi, Vusi Gordon Mbazima

published 12 Jan 2026

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Pharmacokinetics and analgesic efficacy of fentanyl and buprenorphine in chicken embryos

Luis Truhlar, Julia Werner, Marie-Louise Schmid, Aylina Glasenapp, Heike Baehre, Judith Reiser, Julia Koerner, Heidrun Potschka, Marion Bankstahl, Christine Baumgartner

published 08 Jan 2026

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Generation of a primary culture of chick embryo enterocytes to evaluate the effects of fumonisin B1 and deoxynivalenol on cell morphology, actin filaments and nuclei

Jacqueline Uribe-Rivera, Maria de Jesús Nava-Ramirez, Saúl Escobedo-Aguirre, Juan Carlos Del Río-García, Samantha Jardón-Xicoténcatl, Carlos Gerardo García-Tovar, Ernesto Ávila-González, Gabriela Gomez-Verduzco

published 11 Dec 2025

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Fertility correlates with queen size and sperm quality in an ant

Lena-Marie Süß, Jan Oettler, Luisa Maria Jaimes-Nino

published 10 Dec 2025

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A cost-effective mesocosm framework for reptile research: Design, validation, and practical insights

Giulia Simbula, Frederico M. Barroso, Enerit Saçdanaku, Gabriel Ene, Geanina Fănaru, Lekshmi B. Sreelatha, Miruna-Gabriela Vizireanu, Myrto Roumelioti, Nikoletta-Maria Boskovits, Sabina E. Vlad, Prem Aguilar, Miguel A. Carretero

published 26 Nov 2025

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Fatty acid profiles from twenty-one plant species identified as palatable for pasture-raised laying hens

Gonzalo J. Diaz, Yandy J. Aguillón-Páez

published 14 Nov 2025

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Context-dependency of monarch butterfly (Danaus plexippus) egg abundance on milkweeds (Asclepias)

Katie Harris, Timothy M. Reinbott, Terry Woods, Jared M. Brabant, Grant Harris, Deborah L. Finke

published 04 Nov 2025

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Effect of semen dilution rate and dimethyl acetamide levels on post-thaw motility and fertility parameters of rooster sperm

Mohamed Shawky, Ahmed F. Fawy, Ahmed M. Elomda, Mohamed A. Elmenawey, Abd El-Rahman M. Atta, Ahmed O. Abbas, Gamal M. K. Mehaisen

published 31 Oct 2025

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Female sexual agency and frequent extra-pair copulations, but no extra-pair paternity, in Nazca boobies (Sula granti)

David J. Anderson, Kathryn P. Huyvaert, Paola M. Espinosa, Mark A. Westbrock, Jill A. Awkerman, Eric G. Schneider

published 30 Oct 2025

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Application of various mixtures of medicinal herbs in the diet of laying hens: Evaluating preventive approach of fatty liver syndrome

Mohammadreza Khodaei, Mehran Torki, Fariborz Khajali, Iraj Karimi

published 24 Oct 2025

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