Journal of Avian Biology JAV-00509 Leisler, B. and Winkler, H. 2014. Evolution of island warblers: beyond bills and masses. – J. Avian Biol. doi: 10.1111/jav.00509

Supplementary material 20

Appendix 1 Table A1. Overview of sample sizes and basic characteristics of the in this study. Co denotes mainland and Is, island populations. Bold face designates those species that form the main data set. The remaining species are extinct and/or had small sample sizes.

Species Sample Status, Distribution size

Basra Reed Warbler reed 14 Co Middle East A. griseldis

Great Reed Warbler reed 27 Co Eurasia A. arundinaceus

Oriental Reed Warbler reed, tall grass, bushes 27 Co Far East A. orientalis

Clamorous Reed Warbler reed, bushes, mangroves 18 Co Central A. stentoreus brunnescens ,

A. st. stentoreus reed, bushes, mangroves 7 Co Near East

Australian Reed Warbler reed, bushes 12 Co A. australis

Nightingale Reed Warbler cane thickets, high scrub 3 Is Marianas, A. luscinius Guam

Saipan Reed Warbler woodland, tall brush and grass 8 Is Marianas, A. hiwae Saipan

Carolinian Reed Warbler thickets, bushes, tall grass, reed 21 Is Caroline Is., A. syrinx Pohnpei

Nauru Reed Warbler scrub, bushes, palm trees 5 Is Nauru A. rehsei

Millerbird short grass, short scrub 12 Is Hawaii, A. f. familiaris Laysan

Bokikokiko Kiritimati R W high scrub, trees 12 Is Line Is, A. aequinoctialis Tabuaeran

Cook Reed Warbler wooded and bushy areas, scrub 4 Is Cook Is., A. kerearako Mangaia, 21

Mitiaro

Tahiti Reed Warbler thick forest, bamboo 14 Is Society Is, A. caffer Tahiti

Moorea Reed Warbler forest, bamboo 2 Is Society Is, A. longirostris Moorea

Garrett’s Reed Warbler forest, bamboo 2 Is Society Is, A. musae Huahine

Rimatara Reed Warbler low bushy vegetation, reed, 12 Is Austral Is, A. rimitarae woodland Rimatara

Tuamotu Reed Warbler scrub, woodland, small trees 18 Is NW A. a. atyphus Tuamotus

N Marquesan Reed Warbler forest, brush, scrub 24 Is Marquesas A. percernis

S Marquesan Reed Warbler forests, brush, scrub 37 Is Marquesas A. mendanae

Pitcairn Reed Warbler forest, scrub 11 Is Pitcairn A. vaughani

Henderson Reed Warbler forest, trees 14 Is Henderson A. taiti

Greater Swamp Warbler reed, papyrus 18 Co Africa A. (Calamocichla) rufescens

Lesser Swamp Warbler reed, tall grass, bushes 13 Co Africa A. (C.) gracilirostris

Madagascan Swamp Warbler reed, scrub 11 Co Madagascar A. (C.) newtoni

Cape Verde Warbler brush, scrub, reed 12 Is Cap Verde A. (C.) brevipennis

Seychelles Warbler Scrub, woodland 6 Is A. (C.) sechellensis

Rodrigues Warbler dense thickets, woodland 7 Is Rodrigues A. (C.) rodericanus

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Table A2. Effect sizes (Hedge’s g) with respect to scores on the first axis of the discriminant analyses of functional complexes.

(a) Hind limb g 4.769 Calamocichla 9.535

(b) Flight apparatus g Acrocephalus 4.401 Calamocichla 0.050

(c) Feeding g Acrocephalus 1.939 Calamocichla 0.266