Appendix S1. Bird species recorded on standardized surveys in rainforest across the Wet Tropics region (see Fig. 1). Taxonomy and common names follow Christidis and Boles (1994). Species endemic to the region (End.) are indicated. Each species is rated for its relative degree of rainforest specialization (RF) based on expert opinion on a scale of 0–6: 0 = not found in rainforest; 1 = occasionally recorded in rainforest; 2 = uses rainforest as sub-optimal/marginal habitat; 3 = commonly recorded in rainforest but rainforest is not the species' core habitat; 4 = rainforest is the species' main habitat but it is common in other forest environments; 5 = rainforest is the species' core habitat but it also occurs in adjacent wet sclerophyll forest; 6 = rainforest obligate (see also Williams 2006). Estimates of range size are given for core bioclimatic range (Core) and total range size based on BIOCLIM distribution models of each species (Williams 2006). Current conservation status for each species is provided using the appropriate state, federal and international lists: NCACT – Nature Conservation Act of Queensland (2001) (see; EPBC – Environment Protection and Biodiversity Conservation Act of Australia (2000) (see; IUCN – The World Conservation Union 2001 (see The number of surveys that each species was recorded on (N) out of the 989 conducted and the mean body weight of each species used in the energy flux calculations (Mass) is provided.

Appendix S2. Elevational abundance profiles for 82 bird species recorded on standardized transect surveys (with 95% confidence intervals). Number of surveys (out of 989) on which a species was recorded present (n) is shown in brackets. As a guide, abundance profiles are rated according to their information content and/or relevance of rainforest to that species (see Appendix S1 for rainforest specialization codes): no rating = n ≤ 9; * = 10 ≤ n ≤ 19; ** = 20 ≤ n ≤ 99; *** = 100 ≤ n ≤ 199; **** = n ≥ 200.

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