ArticleRoyal Society open science2021
The limits of egg recognition: testing acceptance thresholds of American robins in response to decreasingly egg-shaped objects in the nest.
Article in Royal Society open science, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
11 citing papers in PubMed.
- Egg-Inspection Frequency Predicts Egg Recognition but Not Ejection in a Cuckoo Host.Ecology and evolution · 2026Article
- How Do Oriental Reed Warblers Recognize Cuckoo Eggs?Ecology and evolution · 2025Article
- Egg shape and color mediate acceptance thresholds in diverse avian host species with different rates of antiparasitic egg rejection.The Journal of experimental biology · 2025Article
- Reactions of wintering passerines to male calls of the European cuckoo Cuculus canorus.Scientific reports · 2024Article
- Brood parasitism and egg recognition in three bunting hosts of the cuckoos.Ecology and evolution · 2023Article
- Eggshell spots are an important cue for the egg retrieval behavior in two tit species.Animal cognition · 2023Article
- Gradual changes in model shape affect egg-directed behaviours by parasitic shiny cowbirdsRoyal Society open science · 2023Article
- Coloniality and development impact intraclutch consistency of avian eggs: a comparative analysis of the individual repeatability of eggshell size and shape metrics.Die Naturwissenschaften · 2023Article
- Eggshell texture but not odor treatment affects model egg rejection in American robins (Turdus migratorius).Animal cognition · 2022Article
- Nest sanitation as an effective defence against brood parasitism.Animal cognition · 2022Article
- Host and brood parasite coevolutionary interactions covary with comparative patterns of the avian visual system.Biology letters · 2021Article
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Some hosts of avian brood parasites reduce or eliminate the costs of parasitism by removing foreign eggs from the nest (rejecter hosts). In turn, even acceptor hosts typically remove most non-egg-shaped objects from the nest, including broken shells, fallen leaves and other detritus. In search for the evolutionary origins and sensory mechanisms of egg rejection, we assessed where the potential threshold between egg recognition and nest hygiene may lie when it comes to stimulus shape. Most previous studies applied comparisons of egg-sized objects with non-continuous variation in shape. Here, instead, we used two series of three-dimensional-printed objects, designed
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