EMERGENCY PETITION TO LIST THE PYGMY THREE-TOED SLOTH

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variegatus.Creteiationsabbrevharacteruniformpearan(follows:viationsarraOographicslash.character,10 PROCEEDINGS OF <strong>THE</strong> BIOLOGICAL SOCIETY OF WASHING<strong>TO</strong>Nand most other South American sloths lacka dark brown brow. A distinct brow line isfound in specimens from central Panama,extreme NW Colombia, and in some localitiesin Bocas del Toro, but not in specimensfrom Nicaragua or elsewhere in CentralAmerica or western Colombia. Thus,the Bradypus from Bocas delToro groupwith other Central American and westernColombian three-toed sloths, with closer affinityto those from central Panama and extremeNW Colombia to the east rather thanwith sloths from Nicaragua to the northwest.Within Bocas del Toro, geographicallyproximate populations share discrete pelagecharacters, often linking island populationswith nearby populations on the mainland(Table 1; Fig. 1). For example, the onlypopulations in Bocas del Toro with individualslacking a dorsal stripe are found at TierraOscura and on the adjacent islands ofCristobal, Popa, and Cayo Nancy. For dorsalappearance, there is a west-to-east clinefrom uniform to blotchy. The populationswith the highest frequencies of individualswith a distinct brow line are two proximatelocalities in the west (Isla Colon and theadjacent mainland at Almirante) and two inthe east (Isla Escudo and Nuri, the nearestsite on the mainland). Finally, while slothsfrom most localities in Bocas del Toro haveorange eye patches, those of four central localities(Almirante, Isla Cristobal, IslaPopa, and Peninsula Valiente) have little ifany orange. Overall, pelage of specimensfrom Isla Escudo closely matches pelagecharacters found at Nuri. However, charactersvariable in the Nuri population appearto be fixed on Isla Escudo. Sloths fromIsla Escudo were unique in possessing longhair on the crown and sides of the head,giving the impression of a hood.Quantitative measurements.—Both univariateand multivariate statistics documentedthe smaller overall size of Bradypuson the five outer islands (the older islands)of the archipelago of Bocas del Toro—CayoAgua, Cayo Nancy, Isla Bastimentos, Isla(N);noor(S),mixedareas% O3 +j< ^m< Et^ >; ^> Z^5z Z >^ PQ Zsamplesadypus00Dme ^-SJH >^ z z >H pa z< 5i^" i: a U
'•1OS1 O1II'I.+11 1s ^ P 11 1 1 1 § 1IIIin' 1—VOLUME 1 14, NUMBER 1 11o 6•a 3 VJm 6 •a oT3'c .cC 6
Page 1 and 2: EMERGENCY PETITION TO LIST THEPYGMY
Page 3 and 4: NOTICE OF PETITIONAnimal Welfare In
Page 5 and 6: I. NATURAL HISTORY AND STATUS OF TH
Page 7 and 8: known to occur, is estimated to be
Page 9 and 10: 3. Population Trend and Extinction
Page 11 and 12: An emergency ESA listing of the pyg
Page 13 and 14: If not immediately protected under
Page 15 and 16: very small island off the coast of
Page 17 and 18: LITERATURE CITEDAnderson RP and Han
Page 19 and 20: Evolution, 56(5), 2002, pp. 1045-10
Page 21 and 22: DWARFISM IN INSULAR SLOTHS1047FIG.
Page 23 and 24: DWARFISM IN INSULAR SLOTHS1049Cayo
Page 25 and 26: DWARFISM IN INSULAR SLOTHS1051There
Page 27 and 28: DWARFISM IN INSULAR SLOTHS1053showe
Page 29 and 30: DWARFISM IN INSULAR SLOTHS1055shoul
Page 31 and 32: DWARFISM IN INSULAR SLOTHS1057of th
Page 33 and 34: IB4/inPROCEEDINGS oi TilBTDLOGICALS
Page 35 and 36: MAT (J 200 j } ) PROCEEDINGS OF THE
Page 38 and 39: PROCEEDINGS OF THE BIOLOGICAL SOCIE
Page 40 and 41: —PROCEEDINGS OF THE BIOLOGICAL SO
Page 42 and 43: PROCEEDINGS OF THE BIOLOGICAL SOCIE
Page 47 and 48: 1 1IIIIIIIIII',I':IIT•I'I'VOLUME
Page 49 and 50: VOLUME 1 14, NUMBER 1 15Colon, and
Page 51 and 52: —VOLUME 1 14, NUMBER 1 17Table 4.
Page 53 and 54: VOLUME 1 14, NUMBER 1 19Table 5.—
Page 55 and 56: —VOLUME 114. NUMBER 1 2185°Brady
Page 57 and 58: VOLUME 114, NUMBER 1 23Bradypus var
Page 59 and 60: —VOLUME 1 14, NUMBER 1 25of B. va
Page 61 and 62: Observations on the Endemic Pygmy T
Page 63 and 64: Observations of Bradypus pygmaeusTa
Page 65 and 66: 2013.1Login | FAQ | Contact | Terms
Page 67 and 68: The 2010 Sloth Red List AssessmentA
Page 69 and 70: 65Number of Species43210TaxonomyPop
Page 71 and 72: Figure 3. Bradypus pygmaeus. Based
Page 73 and 74: Park), among other areas, although
Page 75 and 76: Bradypus tridactylusLeast Concern (
Page 77 and 78: Bradypus variegatusLeast Concern (L
Page 79 and 80: Figure 6. Bradypus variegatus. Base
Page 81 and 82: Figure 7. Choloepus didactylus. Bas
Page 83 and 84: as well as in secondary forest, but
Page 85 and 86: Acknowledgements: This assessment w
Page 87 and 88: perezoso de dos uñas (Choloepus ho
Page 89 and 90: 2 MAMMALIAN SPECIES 812—Bradypus
Page 91: 4 MAMMALIAN SPECIES 812—Bradypus
Page 109 and 110:
J Etholtemporal frequency of vocali
Page 111 and 112:
J EtholTable 1 Inferred period (thi
Page 113 and 114:
J EtholB. variegatus males seem to
Page 115 and 116:
http://news.mongabay.com/2013/0920-
Page 117 and 118:
Crates with pygmy sloths destined f
Page 119 and 120:
LEFT: Pygmy sloth in a box back on
Page 121 and 122:
elevant stakeholders. A serious con
Page 123 and 124:
night amidst violent social unrest,
Page 125 and 126:
How Did Dallas Aquarium Almost Get
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three-toed sloth becomes a CITES II
Page 132 and 133:
Although Aviarios del Caribe claims
Page 134 and 135:
Ms. Cliffe cite hunting pressure fr
Page 136 and 137:
work being conducted by our interna
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EMERGENCY PETITION TO LIST THE PYGMY THREE-TOED SLOTH

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