Peter B. Pearman. 2002. The scale of community structure: habitat variation and avian guilds in tropical forest understory. Ecological Monographs 72:19-39.

Environmental Variables
			A). Alone		B). With polynomial covariates
Species	Mixed flock?	Guild	1st axis	Rank	1st axis	Rank
Crypturellus soui	n	g-fr-g	2.2882	95.5	-0.6786	16.5
Geotrygon montana	n	g-fr-g	-0.1893	44	-0.4844	23
Leptotila rufaxilla	n	g-fr-g	0.4686	72	-0.6061	19
Chamaeza nobilis	n	g-li-g	-0.934	19	-1.2734	6
Formicarius analis	n	g-li-g	-0.934	19	-1.2734	6
Formicarius colma	n	g-li-g	-0.5599	31	0.0247	56
Dichrozona cincta	n	g-si-g	-0.6813	26.5	-0.4316	26.5
Microcerculus marginatus	n	g-si-g	-0.3379	38	0.22	65
Sclerurus caudacutus	n	g-si-g	-0.8127	22	-0.7536	14
Sclerurus rufigularis	n	g-si-g	-1.1072	5.5	-0.365	30.5
Arremon aurantiirostris	n	g-so-g	0.7299	75	1.2149	91
Chiroxiphia pareola	n	s-fr-f	-0.5945	29	0.0605	59
Chloropipo holochlora	n	s-fr-f	0.7438	76.5	1.5821	95.5
Machaeropterus regulus	n	s-fr-f	-0.1215	50	-0.1479	39
Manacus manacus	n	s-fr-f	1.2718	88	0.2557	67
Pipra coronata	n	s-fr-f	0.0478	58	0.1103	61
Pipra erythrocephala	n	s-fr-f	0.093	63	-0.0615	48
Pipra filicauda	n	s-fr-f	1.0606	82	-0.0158	52
Xiphorhynchus guttatus	y	s-li-b	0.4888	73	0.6275	79
Automolus melanopezus	n	s-li-d	0.0486	59	0.8712	85
Frederickena unduligera	n	s-li-f	0.4536	71	0.8987	87
Malacoptila fusca	n	s-li-f	-0.5765	30	-0.0668	47
Nonnula brunnea	y	s-li-f	1.3387	89	0.3629	73
Schistocichla leucostigma	n	s-li-f	0.7652	78	0.2146	64
Thamnophilus aethiops	y	s-li-f	-1.2097	1.5	-1.7405	1.5
Dendrocincla fuliginosa	n	s-li-r	0.3696	69	-0.0346	50
Dendrocolaptes picumnus	n	s-li-r	2.0638	94	-0.7185	15
Gymnopithys leucaspis	n	s-li-r	-0.0131	55	0.4107	74
Hylophylax poecilinota	n	s-li-r	-0.1337	48	0.2629	69
Myrmeciza fortis	n	s-li-r	-0.0313	54	0.8763	86
Phlegopsis erythroptera	n	s-li-r	-0.2999	39	0.4637	76
Phlegopsis nigromaculata	n	s-li-r	1.7325	92.5	1.0874	89.5
Pithys albifrons	n	s-li-r	-0.1891	45	0.2	63
Rhegmatorhina melanosticta	n	s-li-r	0.0572	60	1.0224	88
Campylopterus largipennis	n	s-ni-f	0.8997	80	0.2592	68
Eutoxeres condamini	n	s-ni-f	0.1993	67	0.1198	62
Glaucis hirsuta	n	s-ni-f	1.2092	85	0.2955	71
Phaethornis bourcieri	n	s-ni-f	-0.3731	37	-0.2807	36
Phaethornis hispidus	n	s-ni-f	1.3708	90	-0.3257	34
Phaethornis longuemareus	n	s-ni-f	1.7325	92.5	1.0874	89.5
Phaethornis ruber	n	s-ni-f	1.2684	86.5	1.48	93.3
Phaethornis superciliosus	n	s-ni-f	0.2798	68	-0.0575	49
Polyplancta aurescens	n	s-ni-f	-0.1751	46	-0.8533	12
Thalurania furcata	n	s-ni-f	0.0107	57	0.0449	58
Threnetes leucurus	n	s-ni-f	0.1695	66	0.0141	54
Oryzoborus angolensis	n	s-se-f	1.6706	91	-0.2059	37
Terenotriccus erythrurus	n	s-si-a	-0.996	12.5	-0.095	44.5
Glyphorynchus spirurus	y	s-si-b	0.0815	61	0.083	60
Picumnus rufiventris	y	s-si-b	1.2684	86.5	1.48	93.5
Henicorhina leucosticta	n	s-si-f	-0.4274	36	-0.1007	43
Hylophylax naevia	n	s-si-f	-0.4845	33	-0.0706	46
Hypocnemis cantator	n	s-si-f	1.1565	84	0.6538	80
Hypocnemis hypoxantha	n	s-si-f	0.1678	65	0.2418	66
Leptopogon amaurocephalus	y	s-si-f	2.2882	95.5	-0.6786	16.5
Microbates cinereiventris	n	s-si-f	-0.9714	15	-0.343	33
Myrmoborus myotherinus	y	s-si-f	0.6645	74	0.6743	81
Myrmotherula axillaris	y	s-si-f	-0.7122	24	-0.1309	41
Myrmotherula erythrura	y	s-si-f	-1.0062	11	-0.4967	22
Myrmotherula hauxwelli	y	s-si-f	-0.0776	52	-0.5014	21
Myrmotherula longipennis	y	s-si-f	-1.2097	1.5	-1.7405	1.5
Platyrinchus coronatus	n	s-si-f	-1.1016	7	0.6273	78
Thamnomanes ardesiacus	y	s-si-f	-0.4698	35	-0.4515	25
Thamnomanes caesius	y	s-si-f	-0.4797	34	0.3195	72
Thryothorus coraya	n	s-si-f	0.9881	81	1.4568	92
Wilsonia canadensis	y	s-si-f	-0.0325	53	-0.4647	24
Conopophaga peruviana	n	s-si-g	-0.7055	25	-0.1391	40
Catharus minimus	n	s-so-f	-0.2828	40	-0.5443	20
Catharus ustulatus	n	s-so-f	-0.0806	51	-0.3701	29
Cyanocompsa cyanoides	n	s-so-f	0.0051	56	0.4536	75
Mionectes oleaginea	y	s-so-f	0.1377	64	-0.1292	42
Neopipo cinnamomea	n	s-so-f	-0.9926	14	-0.9278	10
Turdus albicollis	n	s-so-f	-0.7356	23	-0.3151	35
Turdus ignobilis	n	s-so-f	-0.934	19	-1.2734	6
Deconychura longicauda	y	u-li-b	-1.0567	10	-0.6487	18
Deconychura stictolaema	y	u-li-b	0.3853	70	0.2851	70
Ancistrops strigilatus	n	u-li-d	-1.0872	8	0.5142	77
Automolus infuscatus	y	u-li-d	-0.9552	16	-0.8851	11
Hyloctistes subulatus	y	u-li-d	-0.1516	47	-0.8368	13
Philydor erythrocercus	y	u-li-d	-0.5271	32	-0.3797	28
Philydor ruficaudatus	y	u-li-d	-1.1072	5.5	-0.365	30.5
Thamnophilus murinus	n	u-li-f	0.0891	62	-0.1988	38
Thamnophilus schistaceus	n	u-li-f	-0.934	19	-1.2734	6
Baryphthengus ruficapillus	n	u-lo-f	-0.6211	28	-1.1026	9
Trogon rufus	n	u-lo-f	-0.6813	26.5	-0.4316	26.5
Xiphorhynchus ocellatus	y	u-si-b	-0.2811	41	-0.01	53
Cranioleuca gutturata	n	u-si-d	-1.1159	3.5	0.7404	82.5
Cercomacra cinerascens	y	u-si-f	0.8595	79	0.034	57
Hemitriccus zosterops	n	u-si-f	-1.1159	3.5	0.7404	82.5
Hylophilus ochraceiceps	y	u-si-f	-0.996	12.5	-0.095	44.5
Lophotriccus vitiosus	n	u-si-f	0.7438	76.5	1.5821	95.5
Myrmotherula menetriesii	y	u-si-f	-0.934	19	-1.2734	6
Rhynchocyclus olivaceus	y	u-si-f	1.1342	83	-0.3601	32
Xenops minutus	y	u-si-t	-1.0718	9	-1.5069	3
Tachyphonus surinamus	y	u-so-f	-0.214	42	-0.0321	51
Tyranneutes stolzmanni	n	u-so-f	-0.1986	43	0.0243	55
Chloroceryle inda	n	w-fi-w	-0.1261	49	0.7435	84

   Notes: Scores and ranks along first ordination axis are shown, with species alphabetically arranged by genus within guild.  Ordinations employed environmental variables and two components of forest cover.  Ordination scores under (A) are from simple ordination and incorporate both spatially organized and other variation.  Scores in (B) are also from CCA, but with spatially organized variation in environmental and forest cover removed by using polynomial terms as covariables in surface trend analysis, a form of 'partial' CCA.