2023
58. Smith, M.G., LaPergola, J.B., and Riehl, C. 2023. Workload inequality increases with group size in a cooperatively breeding bird. Animal Behaviour, in press.
57. Smith, M.G., Savagian, A.G., and Riehl, C. 2023. Caregivers in a communally breeding bird do not consistently synchronize nest visits. Behavioral Ecology and Sociobiology 77(7): 84.
56. Hendrix, T.C., and Riehl, C. 2023. No evidence for adaptive sex ratio adjustment in a cooperatively breeding bird with helpful helpers. Behavioral Ecology and Sociobiology 77(7): 80.
55. Riehl, C., and LaPergola, J.B. 2023. Inclusive fitness explains behavioral diversity in a social bird (Commentary). PNAS
120 (21), e2305610120.
54. LaPergola, J.B., Savagian, A.G., Smith, M.G., Bennett, B.L., Strong, M.J., and Riehl, C. 2023. Referential signaling in a communally breeding bird. PNAS 120 (19), e2222008120
53. Savagian, A.G., and Riehl, C. 2023. Effects of brood and group size on nestling provisioning and resource allocation in a communally breeding bird. Behavioral Ecology 34(4): 539-546.
52. Savagian, A.G., and Riehl, C. 2023. Chorusing behavior as an intragroup signal in the greater ani, a communally breeding bird. Ethology 129 (2): 63-73.
2022
51. LaPergola, J. B., Riehl, C., Martinez-Gomez, J. E., Roldan-Clara, B., and Curry, R. L. 2022. Extra-pair mating correlates with genetic diversity, but not breeding density, in a Neotropical passerine, the Black Catbird. Journal of Avian Biology 2022 (11-12): e03034.
50. Savagian, A.G., and Riehl, C. 2022. Begging is an honest signal of hunger in a communally breeding bird with low genetic relatedness. Behavioral Ecology and Sociobiology 76(11): 146.
49. Riehl, C., and Smart, Z. F. 2022. Climate fluctuations maintain variation in group size in a cooperative bird. Current Biology 32(19): 4264-4269.
48. Smith, M. G., and Riehl, C. 2022. Workload distribution and division of labor in cooperative societies. Quarterly Review of Biology, 97(3): 183-210.
47. LaPergola, J. B., and Riehl, C. 2022. Opportunity is not everything: genetic monogamy and limited conspecific brood parasitism in a colonial woodpecker. Behavioral Ecology and Sociobiology 76: 1-10.
46. Hauber, M. E., Riehl, C., and Nagy, J. 2022. Parental investment and the rejection of avian brood parasitic eggs: a comparative analysis. Evolutionary Ecology, 36:263-272.
2021
45. Riehl, C. 2021. Evolutionary origins of cooperative and communal nesting: insights from the crotophagine cuckoos. Ethology 127: 827-836.
44. Barve, S., Riehl, C., Walters, E., Haydock, J., Dugdale, H., and Koenig, W. D. 2021. Lifetime direct fitness consequences of cooperative polygamy vary for males and females in the Acorn Woodpecker. Proceedings of the Royal Society of London, Series B, 288: 20210579.
43. Smart., Z. F., Smith, M. G., and Riehl, C. 2021. The El Nino-Southern Oscillation dramatically influences the probability of reproduction and reproductive rate of a tropical forest bird. Journal of Avian Biology, 52(8): https://doi.org/10.1111/jav.02799.
42. Almstead, D. K., Savagian, A. G., Smith, M. G., and Riehl, C. 2021. Inter-group conflict in a cooperatively breeding bird: new insights into "home field advantage." Ethology 127: 372-378.
2020
41. Ursino, C. A., Strong. M. J., Reboreda, J. C., and Riehl, C. 2020. Genetic patterns of repeat and multiple parasitism by screaming cowbirds, a specialist brood parasite. Animal Behaviour 167: 177-183.
40. Elgar, M. A., and Riehl. C. 2020. Communication and recognition mechanisms in social animals. Frontiers in Ecology and Evolution 8: 510-513.
39. Smith, M. G., and Riehl, C. 2020. Intermittent breeding is associated with breeding group turnover in a cooperatively breeding bird. Oecologia 192: 953-963.
38. Riehl, C. 2020. Do temperate and tropical birds have different mating systems? Pp. 115-123 in Unsolved Problems in Ecology (Dobson, A., Holt, R., Tilman, D. eds). Princeton University Press.
2019
37. Baldassarre, D. T., Campagna, L., Thomassen, H. A., Atwell, J. W., Chu, M., Crampton, L. H., Fleischer, R. C., and Riehl, C. 2019. GPS tracking and population genomics suggest itinerant breeding across drastically different habitats in the Phainopepla. The Auk 136: ukz059 [link] (Cover article.)
36. Riehl, C., and Strong, M. J. 2019. Social parasitism as an alternative reproductive tactic in a cooperatively breeding cuckoo. Nature 567:96-99. [link] (Cover article.)
35. Riehl, C. 2019. Cooperative and communal breeding. Pp. 41-59 in Behavioral Ecology of Neotropical Birds (Reboreda, J. C., Fiorini, V. D., and Tuero, D. T., eds.). Springer.
34. Feeney, W. E., and Riehl. C. 2019. Monogamy without parental care? Social and genetic mating systems of avian brood parasites. Philosophical Transactions of the Royal Society of London, Series B, 374: 20180201. [link]
2018
33. Dainson, M., Mark, M., Hossain, M, Yoo, B., Holford, M., McNeil, S., Riehl, C., and Hauber, M. E. 2018. How to make a mimic: Brood parasitic Striped Cuckoo eggs match host shell color, but not pigmentation. Journal of Chemical Ecology, 44: 940-946. [link] (Cover article.)
32. Pruitt, J.N., Berdahl, A., Riehl, C., Pinter-Wollman, N., Moeller, H.V., Pringle, E.G., Aplin, L.M., Robinson, E.J., Grilli, J., Yeh, P. and Savage, V.M. 2018. Social tipping points in animal societies. Proceedings of the Royal Society of London, Series B, 285: 20181282. [link]
31. Strong, M. J., Sherman, B. L., and Riehl, C. 2018. Home field advantage, not group size, predicts outcomes of inter-group competition in a social bird. Animal Behaviour 143: 205-213. [link] [pdf].
30. Hauber, M., Dainson, M., Baldassarre, D., Hossain, M., Holford, M., and Riehl, C. 2018. The perceptual and chemical basis of egg discrimination in communally breeding Greater Anis (Crotophaga major). Journal of Avian Biology 49: e01776. [link] (Cover article.)
29. Riehl, C., and Strong, M. J. 2018. Stable social relationships between unrelated females increase individual fitness in a cooperative bird. Proceedings of the Royal Society of London, Series B., 285: 20180130 [link]. (Cover article)
28. Riehl, C. 2018. Reproductive Synchrony. In Encyclopedia of Animal Cognition and Behavior, Springer-Verlag. J. Vonk and T. Shackleford, eds.
27. Portugal, S. J., Bowen, J., and Riehl, C. 2018. A rare mineral, vaterite, acts as a shock absorber in the eggshell of a communally breeding bird. The Ibis, 160: 173-178 [link].
2017
26. Riehl, C. 2017. Kinship and incest avoidance drive patterns of reproductive skew in cooperatively breeding birds. The American Naturalist, 190: 774-785 [link] [pdf].
25. Ursino, C. A., De Marsico, M. C., Reboreda, J. C., and Riehl, C. 2017. Kinship and genetic mating system of the Baywing (Ageloides badius), a cooperatively breeding Neotropical blackbird. The Auk: Ornithological Advances 134: 410-420. [link] [pdf]
24. Porter, S. A., and Riehl, C. 2017. Diet of the Crested Guan (Penelope purpurascens) in Panama: leaf-eating by a tropical frugivore. Wilson Journal of Ornithology 129: 191-195. [link] [pdf]
2016
23. Riehl, C. 2016. Infanticide and within-clutch competition select for reproductive synchrony in a cooperative bird. Evolution 70: 1760-1769. [link]
22. Taborsky, M., Frommen, J., and Riehl, C. 2016. Correlated payoffs are key to cooperation. Phil Trans Roy Soc B. 371: 20150084. [link]
21. Taborsky , M. Frommen, J., and Riehl, C. 2016. The evolution of cooperation based on direct fitness benefits. Phil Trans Roy Soc B. 371: 20140474. [link]
20. Riehl, C. and M. E. Frederickson. 2016. Cheating and punishment in cooperative animal societies. Phil Trans Roy Soc B. 371: 20150090. [link]
2015
19. Riehl, C.* and C. A. Stern*. 2015. How cooperatively breeding birds find relatives and avoid incest: new insights into dispersal and kin recognition. BioEssays 37: 1303-1308. (*equal author contributions) [link]
18. Riehl, C., and M. J. Strong. 2015. Social living without kin discrimination: experimental evidence from a cooperatively breeding bird. Behavioral Ecology and Sociobiology 69:1293-1299. [link]
17. Riehl, C., M. J. Strong, and S. V. Edwards. 2015. Inferential reasoning and egg rejection in a cooperatively breeding cuckoo. Animal Cognition 18:75-82. [link]
2014 and earlier
16. Riehl, C. 2014. Cuckoos of the world [Book review] Wilson J Ornithol 126:411-412.
15. Riehl, C. 2013. Evolutionary routes to non-kin cooperative breeding in birds. Proc Roy Soc B. 280: 20132245. [link]
14. Riehl, C. 2013. The Harris' hawk [Book review] J Raptor Res 47: 333-334.
13. Riehl, C. 2012. Parental care and reproductive skew in a communally breeding cuckoo: hard-working males do not sire more young. Animal Behaviour 84: 707-714. [link]
12. Riehl, C. 2011. Living with strangers: direct benefits favor non-kin cooperation in a communally breeding bird. Proceedings of the Royal Society of London, Series B 278:1728-1735 [link]
11. Riehl, C. 2011. Paternal investment and the “sexually selected” hypothesis for the evolution of eggshell coloration: revisiting the assumptions.
The Auk 128: 175-179. [link]
10. Riehl, C. 2010. A simple rule reduces conspecific brood parasitism in a communally breeding bird. Current Biology 20 (20): 1830-1833. [link]
9. Riehl, C. 2010. Egg ejection risk and hatching asynchrony predict egg mass in a communally breeding cuckoo, the Greater Ani. Behavioral Ecology 21: 676-683. [link]
8. Riehl, C., and S. M. Bogdanowicz. 2009. Isolation and characterization of microsatellite markers from the greater ani Crotophaga major (Aves: Cuculidae). Molecular Ecology Resources [link]
7. Riehl, C., and L. Jara. 2009. Natural history and reproductive biology of the communally breeding Greater Ani (Crotophaga major) in Gatún Lake, Panama. The Wilson Journal of Ornithology 121: 679-687. [link]
6. Riehl, C., and G. S. Adelson. 2008. Seasonal insectivory by Black-headed Trogons, a tropical dry forest frugivore. Journal of Field Ornithology 79: 371-380. [link]
5. Riehl, C. 2008. Communal calling and prospecting by Black-headed Trogons (Trogon melanocephalus. The Wilson Journal of Ornithology 120:248–255. [link]
4. Riehl, C. 2007. Evidence for cooperative breeding by White-bellied Go-Away Birds (Corythaixoides leucogaster). African Journal of Ecology 46:421-423. [link]
3. Riehl, C. 2006. Widespread cannibalism by fledglings in a colony of Black-crowned Night-Herons. The Wilson Bulletin 118: 101-104. [link]
2. Riehl, C. 2002. Red-shouldered Hawk preys on Pied-billed Grebe. Journal of Field Ornithology 73: 410-411. [link]
1. Riehl, C. 2001. Black-crowned Night-Heron fishes with bait. Waterbirds 24: 285-286.
58. Smith, M.G., LaPergola, J.B., and Riehl, C. 2023. Workload inequality increases with group size in a cooperatively breeding bird. Animal Behaviour, in press.
57. Smith, M.G., Savagian, A.G., and Riehl, C. 2023. Caregivers in a communally breeding bird do not consistently synchronize nest visits. Behavioral Ecology and Sociobiology 77(7): 84.
56. Hendrix, T.C., and Riehl, C. 2023. No evidence for adaptive sex ratio adjustment in a cooperatively breeding bird with helpful helpers. Behavioral Ecology and Sociobiology 77(7): 80.
55. Riehl, C., and LaPergola, J.B. 2023. Inclusive fitness explains behavioral diversity in a social bird (Commentary). PNAS
120 (21), e2305610120.
54. LaPergola, J.B., Savagian, A.G., Smith, M.G., Bennett, B.L., Strong, M.J., and Riehl, C. 2023. Referential signaling in a communally breeding bird. PNAS 120 (19), e2222008120
53. Savagian, A.G., and Riehl, C. 2023. Effects of brood and group size on nestling provisioning and resource allocation in a communally breeding bird. Behavioral Ecology 34(4): 539-546.
52. Savagian, A.G., and Riehl, C. 2023. Chorusing behavior as an intragroup signal in the greater ani, a communally breeding bird. Ethology 129 (2): 63-73.
2022
51. LaPergola, J. B., Riehl, C., Martinez-Gomez, J. E., Roldan-Clara, B., and Curry, R. L. 2022. Extra-pair mating correlates with genetic diversity, but not breeding density, in a Neotropical passerine, the Black Catbird. Journal of Avian Biology 2022 (11-12): e03034.
50. Savagian, A.G., and Riehl, C. 2022. Begging is an honest signal of hunger in a communally breeding bird with low genetic relatedness. Behavioral Ecology and Sociobiology 76(11): 146.
49. Riehl, C., and Smart, Z. F. 2022. Climate fluctuations maintain variation in group size in a cooperative bird. Current Biology 32(19): 4264-4269.
48. Smith, M. G., and Riehl, C. 2022. Workload distribution and division of labor in cooperative societies. Quarterly Review of Biology, 97(3): 183-210.
47. LaPergola, J. B., and Riehl, C. 2022. Opportunity is not everything: genetic monogamy and limited conspecific brood parasitism in a colonial woodpecker. Behavioral Ecology and Sociobiology 76: 1-10.
46. Hauber, M. E., Riehl, C., and Nagy, J. 2022. Parental investment and the rejection of avian brood parasitic eggs: a comparative analysis. Evolutionary Ecology, 36:263-272.
2021
45. Riehl, C. 2021. Evolutionary origins of cooperative and communal nesting: insights from the crotophagine cuckoos. Ethology 127: 827-836.
44. Barve, S., Riehl, C., Walters, E., Haydock, J., Dugdale, H., and Koenig, W. D. 2021. Lifetime direct fitness consequences of cooperative polygamy vary for males and females in the Acorn Woodpecker. Proceedings of the Royal Society of London, Series B, 288: 20210579.
43. Smart., Z. F., Smith, M. G., and Riehl, C. 2021. The El Nino-Southern Oscillation dramatically influences the probability of reproduction and reproductive rate of a tropical forest bird. Journal of Avian Biology, 52(8): https://doi.org/10.1111/jav.02799.
42. Almstead, D. K., Savagian, A. G., Smith, M. G., and Riehl, C. 2021. Inter-group conflict in a cooperatively breeding bird: new insights into "home field advantage." Ethology 127: 372-378.
2020
41. Ursino, C. A., Strong. M. J., Reboreda, J. C., and Riehl, C. 2020. Genetic patterns of repeat and multiple parasitism by screaming cowbirds, a specialist brood parasite. Animal Behaviour 167: 177-183.
40. Elgar, M. A., and Riehl. C. 2020. Communication and recognition mechanisms in social animals. Frontiers in Ecology and Evolution 8: 510-513.
39. Smith, M. G., and Riehl, C. 2020. Intermittent breeding is associated with breeding group turnover in a cooperatively breeding bird. Oecologia 192: 953-963.
38. Riehl, C. 2020. Do temperate and tropical birds have different mating systems? Pp. 115-123 in Unsolved Problems in Ecology (Dobson, A., Holt, R., Tilman, D. eds). Princeton University Press.
2019
37. Baldassarre, D. T., Campagna, L., Thomassen, H. A., Atwell, J. W., Chu, M., Crampton, L. H., Fleischer, R. C., and Riehl, C. 2019. GPS tracking and population genomics suggest itinerant breeding across drastically different habitats in the Phainopepla. The Auk 136: ukz059 [link] (Cover article.)
36. Riehl, C., and Strong, M. J. 2019. Social parasitism as an alternative reproductive tactic in a cooperatively breeding cuckoo. Nature 567:96-99. [link] (Cover article.)
35. Riehl, C. 2019. Cooperative and communal breeding. Pp. 41-59 in Behavioral Ecology of Neotropical Birds (Reboreda, J. C., Fiorini, V. D., and Tuero, D. T., eds.). Springer.
34. Feeney, W. E., and Riehl. C. 2019. Monogamy without parental care? Social and genetic mating systems of avian brood parasites. Philosophical Transactions of the Royal Society of London, Series B, 374: 20180201. [link]
2018
33. Dainson, M., Mark, M., Hossain, M, Yoo, B., Holford, M., McNeil, S., Riehl, C., and Hauber, M. E. 2018. How to make a mimic: Brood parasitic Striped Cuckoo eggs match host shell color, but not pigmentation. Journal of Chemical Ecology, 44: 940-946. [link] (Cover article.)
32. Pruitt, J.N., Berdahl, A., Riehl, C., Pinter-Wollman, N., Moeller, H.V., Pringle, E.G., Aplin, L.M., Robinson, E.J., Grilli, J., Yeh, P. and Savage, V.M. 2018. Social tipping points in animal societies. Proceedings of the Royal Society of London, Series B, 285: 20181282. [link]
31. Strong, M. J., Sherman, B. L., and Riehl, C. 2018. Home field advantage, not group size, predicts outcomes of inter-group competition in a social bird. Animal Behaviour 143: 205-213. [link] [pdf].
30. Hauber, M., Dainson, M., Baldassarre, D., Hossain, M., Holford, M., and Riehl, C. 2018. The perceptual and chemical basis of egg discrimination in communally breeding Greater Anis (Crotophaga major). Journal of Avian Biology 49: e01776. [link] (Cover article.)
29. Riehl, C., and Strong, M. J. 2018. Stable social relationships between unrelated females increase individual fitness in a cooperative bird. Proceedings of the Royal Society of London, Series B., 285: 20180130 [link]. (Cover article)
28. Riehl, C. 2018. Reproductive Synchrony. In Encyclopedia of Animal Cognition and Behavior, Springer-Verlag. J. Vonk and T. Shackleford, eds.
27. Portugal, S. J., Bowen, J., and Riehl, C. 2018. A rare mineral, vaterite, acts as a shock absorber in the eggshell of a communally breeding bird. The Ibis, 160: 173-178 [link].
2017
26. Riehl, C. 2017. Kinship and incest avoidance drive patterns of reproductive skew in cooperatively breeding birds. The American Naturalist, 190: 774-785 [link] [pdf].
25. Ursino, C. A., De Marsico, M. C., Reboreda, J. C., and Riehl, C. 2017. Kinship and genetic mating system of the Baywing (Ageloides badius), a cooperatively breeding Neotropical blackbird. The Auk: Ornithological Advances 134: 410-420. [link] [pdf]
24. Porter, S. A., and Riehl, C. 2017. Diet of the Crested Guan (Penelope purpurascens) in Panama: leaf-eating by a tropical frugivore. Wilson Journal of Ornithology 129: 191-195. [link] [pdf]
2016
23. Riehl, C. 2016. Infanticide and within-clutch competition select for reproductive synchrony in a cooperative bird. Evolution 70: 1760-1769. [link]
22. Taborsky, M., Frommen, J., and Riehl, C. 2016. Correlated payoffs are key to cooperation. Phil Trans Roy Soc B. 371: 20150084. [link]
21. Taborsky , M. Frommen, J., and Riehl, C. 2016. The evolution of cooperation based on direct fitness benefits. Phil Trans Roy Soc B. 371: 20140474. [link]
20. Riehl, C. and M. E. Frederickson. 2016. Cheating and punishment in cooperative animal societies. Phil Trans Roy Soc B. 371: 20150090. [link]
2015
19. Riehl, C.* and C. A. Stern*. 2015. How cooperatively breeding birds find relatives and avoid incest: new insights into dispersal and kin recognition. BioEssays 37: 1303-1308. (*equal author contributions) [link]
18. Riehl, C., and M. J. Strong. 2015. Social living without kin discrimination: experimental evidence from a cooperatively breeding bird. Behavioral Ecology and Sociobiology 69:1293-1299. [link]
17. Riehl, C., M. J. Strong, and S. V. Edwards. 2015. Inferential reasoning and egg rejection in a cooperatively breeding cuckoo. Animal Cognition 18:75-82. [link]
2014 and earlier
16. Riehl, C. 2014. Cuckoos of the world [Book review] Wilson J Ornithol 126:411-412.
15. Riehl, C. 2013. Evolutionary routes to non-kin cooperative breeding in birds. Proc Roy Soc B. 280: 20132245. [link]
14. Riehl, C. 2013. The Harris' hawk [Book review] J Raptor Res 47: 333-334.
13. Riehl, C. 2012. Parental care and reproductive skew in a communally breeding cuckoo: hard-working males do not sire more young. Animal Behaviour 84: 707-714. [link]
12. Riehl, C. 2011. Living with strangers: direct benefits favor non-kin cooperation in a communally breeding bird. Proceedings of the Royal Society of London, Series B 278:1728-1735 [link]
11. Riehl, C. 2011. Paternal investment and the “sexually selected” hypothesis for the evolution of eggshell coloration: revisiting the assumptions.
The Auk 128: 175-179. [link]
10. Riehl, C. 2010. A simple rule reduces conspecific brood parasitism in a communally breeding bird. Current Biology 20 (20): 1830-1833. [link]
9. Riehl, C. 2010. Egg ejection risk and hatching asynchrony predict egg mass in a communally breeding cuckoo, the Greater Ani. Behavioral Ecology 21: 676-683. [link]
8. Riehl, C., and S. M. Bogdanowicz. 2009. Isolation and characterization of microsatellite markers from the greater ani Crotophaga major (Aves: Cuculidae). Molecular Ecology Resources [link]
7. Riehl, C., and L. Jara. 2009. Natural history and reproductive biology of the communally breeding Greater Ani (Crotophaga major) in Gatún Lake, Panama. The Wilson Journal of Ornithology 121: 679-687. [link]
6. Riehl, C., and G. S. Adelson. 2008. Seasonal insectivory by Black-headed Trogons, a tropical dry forest frugivore. Journal of Field Ornithology 79: 371-380. [link]
5. Riehl, C. 2008. Communal calling and prospecting by Black-headed Trogons (Trogon melanocephalus. The Wilson Journal of Ornithology 120:248–255. [link]
4. Riehl, C. 2007. Evidence for cooperative breeding by White-bellied Go-Away Birds (Corythaixoides leucogaster). African Journal of Ecology 46:421-423. [link]
3. Riehl, C. 2006. Widespread cannibalism by fledglings in a colony of Black-crowned Night-Herons. The Wilson Bulletin 118: 101-104. [link]
2. Riehl, C. 2002. Red-shouldered Hawk preys on Pied-billed Grebe. Journal of Field Ornithology 73: 410-411. [link]
1. Riehl, C. 2001. Black-crowned Night-Heron fishes with bait. Waterbirds 24: 285-286.