LIFE HISTORY. Age-related mortality explains life history strategies of tropical and temperate songbirds

Science
Thomas E Martin

Abstract

Life history theory attempts to explain why species differ in offspring number and quality, growth rate, and parental effort. I show that unappreciated interactions of these traits in response to age-related mortality risk challenge traditional perspectives and explain life history evolution in songbirds. Counter to a long-standing paradigm, tropical songbirds grow at similar overall rates to temperate species but grow wings relatively faster. These growth tactics are favored by predation risk, both in and after leaving the nest, and are facilitated by greater provisioning of individual offspring by parents. Increased provisioning of individual offspring depends on partitioning effort among fewer young because of constraints on effort from adult and nest mortality. These growth and provisioning responses to mortality risk finally explain the conundrum of small clutch sizes of tropical birds.

References

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Citations

Aug 17, 2016·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Bret W Tobalske
Oct 11, 2016·Biological Reviews of the Cambridge Philosophical Society·Eduardo S A SantosGlauco Machado
Apr 17, 2018·Journal of Evolutionary Biology·Brendan A GrahamDaniel J Mennill
Jun 8, 2018·Biological Reviews of the Cambridge Philosophical Society·An C HsiungRichard B Chandler
Sep 8, 2018·Evolution; International Journal of Organic Evolution·Beata Matysioková, Vladimír Remeš
Feb 3, 2018·Scientific Reports·Jesús NadalAntoni Margalida
Aug 14, 2019·The Journal of Animal Ecology·Nataly Hidalgo AranzamendiAnne Peters
Oct 30, 2019·Nature Ecology & Evolution·Phillip A WisockiDaniel Hanley
Aug 23, 2019·Proceedings. Biological Sciences·Hope Klug, Michael B Bonsall
Aug 18, 2020·PloS One·Suzanne H AustinRobert E Ricklefs
Jul 6, 2020·The Journal of Experimental Biology·Riccardo Ton, Thomas E Martin
Jan 27, 2019·Ecology and Evolution·Beate ApfelbeckBarbara Helm
Jul 1, 2017·Integrative and Comparative Biology·Bret W TobalskeKenneth P Dial
Nov 6, 2018·Biological Reviews of the Cambridge Philosophical Society·Benjamin M WingerBrian C Weeks
Mar 5, 2020·Ecology and Evolution·George C CumminsEben H Paxton
Aug 6, 2020·Frontiers in Physiology·Théo ConstantCaroline Habold
Dec 25, 2019·Ecology and Evolution·Suzanne H AustinRobert E Ricklefs
Aug 26, 2020·Evolution; International Journal of Organic Evolution·Dante Jiménez-OrtegaAlejandro Gonzalez-Voyer
Jan 23, 2021·The Journal of Animal Ecology·Gabrielle L DavidsonJohn L Quinn
Nov 18, 2020·Proceedings of the National Academy of Sciences of the United States of America·Todd M JonesMichael P Ward

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