 | Penna, M., Toloza, J. 2015. Vocal responsiveness to interfering sounds by a frog from the Southern temperate forest, Batrachyla leptopus. Ethology 121: 26–37. |
| Penna, M., Velásquez, N. 2011. Heterospecific vocal interactions in a frog from the southern temperate forest, Batrachyla taeniata. Ethology 117: 63–71. |
 | Penndorf, J., Aplin, L. 2020. Environmental and life history factors, but not age, influence social learning about food: a meta-analysis. Animal Behaviour 167: 161–176. |
 | Penndorf, J., Farine, D. R., Martin, J. M., Aplin, L. M. 2025. Parrot politics: social decision-making in wild parrots relies on both individual recognition and intrinsic markers. Royal Society Open Science 12: 241542. |
 | Pennetier, C., Warren, B., Dabiré, K. R., Russell, I. J., Gibson, G. 2010. “Singing on the wing” as a mechanism for species recognition in the malarial mosquito (Anopheles gambiae). Current Biology 20: 131–136. |
 | Pennisi, E. 2006. Man's best friend(s) reveal the possible roots of social intelligence. Science 312: 1737–1737. |
| Pennisi, E. 2006. Social animals prove their smarts. Science 312: 1734–1738. |
| Pennisi, E. 2009. Sex and Social Structure. Science 326: 518–519. |
| Pennisi, E. 2009. On the Origin of Cooperation. Science 325: 1196–1199. |
| Pennisi, E. 2016. Wild bird comes when honey hunters call for help. Science 353: 335–335. |
 | Penry-Williams, I. L., Brown, C., Ioannou, C. C. 2022. Detecting behavioural lateralisation in Poecilia reticulata is strongly dependent on experimental design. Behavioral Ecology and Sociobiology 76: 25. |
| Pépin, D., Gerard, J.-F. 2008. Group dynamics and local population density dependence of group size in the Pyrenean chamois, Rupicapra pyrenaica. Animal Behaviour 75: 361–369. |
| Pepperberg, I. M. 2002. In search of king solomon’s ring: Cognitive and communicative studies of grey parrots (Psittacus erithacus). Brain Behavior and Evolution 59: 54–67. |
| Pepperberg, I. M. 2002. The value of the Piagetian framework for comparative cognitive studies. Animal Cognition 5: 177–182. |
| Pepperberg, I. M. 2004. “Insightful” string-pulling in Grey parrots (Psittacus erithacus) is affected by vocal competence. Animal Cognition 7: 263–266. |
| Pepperberg, I. M. 2006. Grey parrot numerical competence: a review. Animal Cognition 9: 377–391. |
| Pepperberg, I. M. 2008. Peer-reviewed parrot studies speak for themselves, as he did. Nature 456: 166–166. |
| Pepperberg, I. M. 2012. Further evidence for addition and numerical competence by a Grey parrot (Psittacus erithacus). Animal Cognition 15: 711–717. |
| Pepperberg, I. M. 2019. Tool use in Goffin’s cockatoos: Shape/frame matching. Learn Behav 47: 1–2. |
| Pepperberg, I. M. 2020. The comparative psychology of intelligence: Some thirty years later. Frontiers in Psychology 11: 973. |
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