1

Tables for electronic supplementary material (ESM):

Table 1: List of references that provided locality data of Alouatta palliata and A. pigra

with name of locality and geographic coordinates

1. Alston ER (1879) Mammalia. In: Salvin D Godman FDC (eds) Biologia Centrali-Americana. Porter, London. Guatemala: A. pigra: Chilascó, Alta Verapaz 15°07’N, 90°07’W; Quiriguá, lower Motagua River, Izabal 15°16’N 89°04’W

2. Baldwin JD Baldwin JI (1972) Population density and use of space in howling monkeys (Alouatta villosa) in southwestern Panama. Primates 13(4):371-379. Panama: A. palliata: Hacienda Barqueta, 4km E of the mouth of Escarrea River, Chiriquí 8°19’N 90°36’W

3. Barrueta Rath T Estrada A Pozo C Calme S (2003) Reconocimiento demográfico de Alouatta pigra y Ateles geoffroyi en la Reserva El Tormento, Campeche, Mexico. Neotrop Primates 11(3):165-169. Mexico: A. pigra: Reserva el Tormento, Campeche 18°15’N 90°36’W

4. Baumgarten A (2000) Caracterísitcas poblacionales y uso de habitat del mono aullador negro (Alouatta pigra) en la zona de influencia del Parque Nacional Laguna Lachuá, Alta Verapaz. Tesis de Licenciatura. Universidad de San Carlos de Guatemala, Guatemala. Guatemala: A. pigra: Finca Municipal Salinas Nueve Cerros, Alta Verapaz 15°59’N 90°36’W

5. Baumgarten A (2006) The Distribution and Biogeography of Central American Howling Monkeys (Alouatta pigra and A. palliata). MS thesis, Louisiana State University, Baton Rouge. Guatemala: A. palliata: San Vicente Paul highlands, Izabal 15°24’N 88°44’; Finca Champas, Izabal 15°32’N 88°28’W; Laguna Santa Isabel, Bahia La Graciosa 15°50’N 88°55’ W; Rio Frio, Izabal 15°40’N 88°54’W; A. pigra: Volcan Las Palomas, Sierra de las Minas, Zacapa 15°09’ N 89°37’W; Chelema, Sierra Yalijux, Alta Verapaz 15°23’N 90°04’W; Finca Sakitzul, Izabal 15°51’N 89°21’W; Sarstun, Izabal 15°54’N 88°56’W; Boquerón, Izabal 15°33’N 89°18’W

6. Bolin I (1981) Male Parental Behavior in Black Howler Monkeys (Alouatta palliata pigra) in Belize and Guatemala. Primates 22(3): 349-360. Belize: A. pigra: Bermudian Landing 17°32’N 88°33’W

7. Chivers DJ (1969) On the daily behaviour and spacing of howling monkey groups. Folia Primatol 10:48-102. Panama: A. palliata: Barro Colorado Island 9°09’N 79°50’W

8. Cornick LA Markowitz H (2002) Diurnal vocal patterns of the black howler monkey (Alouatta pigra) at Lamanai, Belize. J Mammol 83(1):159-166. Belize: A. pigra: Lamanai archeological reserve, Orange Walk district 17°46’N 88°39’W

9. Dahl J (1987) Conservation of primates in Belize, Central America. Primate Conservation 8:119- 121. Belize: A. pigra: Nelson Hill, confluence Bladen River and Trio River 16°30’N 88°40’W; west of Mountain Pine Ridge 16°57’N 89°00’W

10. Daugherty HE (1972) The impact of man on the zoogeography of El Salvador. Biol Cons 4(4): 273- 278. El Salvador: A. palliata: Cerro Montecristo, border owith Honduras and Guatemala 14°22’N 89°24’W

11. Estrada A (1984) Resource use by howler monkeys (Alouatta palliata) in the rain forest of Los Tuxtlas, Veracruz, Mexico. Int J Primatol 5(2):105-131. Mexico: A. palliata: Los Tuxtlas biological station, Veracruz 18°25’N 95°09’W

12. Estrada A Castellanos L Garcia Y Franco B Muñoz D Ibarra A Rivera A Fuentes E Jiménez C (2002) Survey of the black howler monkey, Alouatta pigra, population at the Mayan site of Palenque, Chiapas, Mexico. Primates 43(1):51-58. Mexico: A. pigra: Palenque archeological reserve, Chiapas 17°28’N 92°04’W

13. Estrada A Luecke L Van Belle S Barrueta E Meda MR (2004) Survey of black howler (Alouatta pigra) and spider (Ateles geoffroyi) monkeys in the Mayan sites of Calakmul and Yaxchilán, Mexico 2

and Tikal, Guatemala. Primates 45:33-39. Mexico: A. pigra: Calakmul archeological reserve, Campeche 18°06’N 89)48’W; Yaxchilan archeological reserve, Chiapas 16°53’N 90°57’W

14. Freese C (1976) Censusing Alouatta palliata, Ateles geoffroyi and Cebus capucinus in the Costa Rican dry forest. In: Thorington Jr RW Heltne PG (eds) Neotropical primates: field studies and conservation. National Academy of Sciences, Washington DC, pp 4-9. Costa Rica: A. palliata: Santa Rosa National Park, Guanacaste 10°53’N 85°40’W

15. Fuentes E Estrada A Franco B Magaña M Decena Y Muñoz D García Y (2003) Reporte preliminar sobre el uso de recursos alimenticios por una tropa de monos aulladores, Alouatta palliata, en el Parque La Venta, Tabasco, México. Neotrop Primates 11(1):24-29. Mexico: A. palliata: Parque la Venta, Tabasco 18°20’N 93°18’W

16. Garcia Y Muñoz D Magaña M Estrada A Franco B (2001) Uso de plantas como alimento por monos aulladores, Alouatta palliata en el Parque Yumká, Tabasco, México. Neotrop Primates 9(3):112-118. Mexico: A. palliata: Parque Yumká, 15 km de Villahermosa, Tabasco 17°50’N 92°50’W

17. Glander KE (1975) Habitat description and resource utilization: a preliminary report on mantled howling monkey ecology. In: Tuttle RH (ed) Socioecology and Psychology of Primates. Mouton Publisher, Chicago, pp 37-57. Costa Rica: A. palliata: Hacienda La Pacífica, Guanacaste 10°28’N 85°07’N

18. Gonzalez-Kirchner JP (1998) Group size and population density of the black howler monkey (Alouatta pigra) in Muchukux Forest, Quintana Roo, Mexico. Folia Primatol 69:260-265. Mexico: A. pigra: Muchukux forest, between Peten Tulix and Paytoro lagoons 19°12’N 88°24’W

19. Heltne PG Turner DC Scott Jr NJ (1976) Comparison of census data on Alouatta palliata from Costa Rica and Panama. In: Thorington Jr RW Heltne PG (eds) Neotropical primates: field studies and conservation. National Academy of Sciences, Washington DC, pp 10-19. Costa Rica: A. palliata: Finca Taboga, Guanacaste 10°20’N 85°10’W

20. Horwich RH Johnson ED (1986) Geographical distribution of the black howler (Alouatta pigra) in Central America. Primates 27(1): 53-62. Mexico: A. pigra: El Joval, Campeche Tabasco border 17°52’N 91)46’W; Chable, Campeche Tabasco border 17°47’N 91°46’W

21. Massey A (1987) A Population Survey of Alouatta palliata, Cebus capucinus and Ateles geoffroyi at Palo Verde, Costa Rica. Rev Biol Trop 35(2):345-347. Costa Rica: A. palliata: Palo Verde National Park, Guanacaste 10°25’N 85°20’W

22. McCann C (2001) Ranging behavior of howling monkeys in Mombacho Volcano, Nicaragua: a GIS approach. Am J Primatol 54:70-71. Nicaragua: A. palliata: Volcan Mombacho, Granada 11°50’N 85°58’W

23. Pavelka MSM Brusselers OT Nowak D Behie AM (2003) Population reduction and social disorganization in Alouatta pigra following a hurricane. Int J Primatol 24(5):1037-1055. Belize: A. pigra: north side Monkey river, 2 km west of river mouth 16°21’N 88°29’W

24. Schlichte HJ (1978) A Preliminary Report in the Habitat Utilization of a Group of Howler Monkeys (Alouatta villosa pigra) in the National Park of Tikal, Guatemala. In: Montgomery GG (ed) The Ecology of Arboreal Folivores. Smithsonian Institution Press, Washington DC, pp 551-559. Guatemala: A. pigra: Tikal archeological reserve, El Peten 17°15’N 89°35’W

25. Serio Silva JC Rico-Gray V Ramos-Fernández G (2006) Mapping primate populations in the Yucatán Peninsula, Mexico: a first assessment. In: Estrada A Garber PA Pavelka MSM Luecke LA (eds) New perspectives in the study of Mesoamerican primates: distribution, ecology, behavior and conservation. Springer, New York, pp 489-511. Mexico: A. palliata: Conquista Campesina, Campeche 18°11’N 91°17’W; El Alamo Ranch, Campeche 18°48’N 91°16’W; A. pigra: Conquista Campesina, Campeche 18°11’N 91°17’W; El Alamo Ranch, Campeche 18°48’N 91°16’W; Tenabo Hanpolol, Campeche 20°00’N 90°19’W; El Diez, Quintana Roo 21°01’N 87°17’W; Ejido Tres Garantías 18°11’N 89°05’W; Sian Ka’an, Quintana Roo 19°33’N 87°44’ W 3

26. Silva-Lopez G García-Orduña F Rodríguez-Luna E (1988) The status of Ateles geoffroyi and Alouatta palliata in disturbed forest areas of Sierra de Santa Marta, Mexico. Primate Conservation 9:53-61. Mexico: A. palliata: Sierra Santa Marta, Veracruz 18°22’N 94°56’W

27. Silver SC Ostro LET Yeager CP Horwich R (1998) Feeding ecology of the black howler monkey (Alouatta pigra) in northern Belize. Am J Primatol 45:263-279. Belize: A. pigra: St. Paul’s Bank, Community Baboon Sanctuary, along Belize River 17°33’N 88°35’W

28. Stoner KE (1994) Population density of the mantled howler monkey (Alouatta palliata) at La Selva Biological Reserve, Costa Rica: A new technique to analyze census data. Biotropica 26(3):332-340. Costa Rica: A. palliata: La Selva biological reserve 10°26’N 83°59’W

29. Timm RM LaVal RK (2000) Mammals. In: Nadkarni NM Wheelwright NT (eds) Monteverde; Ecology and Conservation of a Tropical Cloud Forest. Oxford University Press, New York, pp 223- 244. Costa Rica: A. palliata: Monteverde reserve, Puntarenas 10°18’N 84°49’W

30. Timm RM Wilson DE Clauson BL LaVal RK Vaughan CS (1989) Mammals of the La Selva- Braulio Carillo Complex, Costa Rica. North American Fauna 75:1-162. Costa Rica: A. palliata: Parque Nacional Braulio Carillo, Heredia/Limon 10°17’N 84°05’W

31. Watts ES Rico-Gray V Chan C (1986) Monkeys of the Yucatán Peninsula, Mexico: preliminary survey of their distribution and status. Primate Conservation 7:17-22. Mexico: A. pigra: estación bombeo y purificación, close to Can Cun, Quintana Roo 21°10'N 87°00’W

32. Williams-Guillen K Griffith D Polisar J Camilo G Barman K 2006 Abundancia de animals cazados y características de cacería en el territorio indígena de Kipla Sait Tasbaika, Reserva de Biósfera Bosawas. (in press) Wani, Nicaragua. Nicaragua: A. palliata: confluence Bocay River and Coco River, Bosowas, Jinotega 14°19’N 85°10’W 4

Table 2: Museum specimen records that provided locality data of Alouatta palliata and A. pigra with our assigned geographic coordinates (Records of locality recurrences are not included)

RECORDS FOR Alouatta palliata Museum and Original specific identity Original collection locality catalog number¹ Latitude, Longitude Country State/Province Locality

UMMZ 116299 Alouatta palliata mexicana Mexico Veracruz Vicinity of Tenochtitlan (17deg45'N, 94deg 45'W) 17°45'N, 94°45'W FMNH 13892 Alouatta palliata mexicana Mexico Veracruz Achotal 17°44'N, 95°08'W KU 19282 Alouatta palliata mexicana Mexico Veracruz 10 km NW of Minatitlan [18°03'N, 94°38'W] KU 19288 Alouatta palliata mexicana Mexico Veracruz 35 km ENE of Jesus Carranza [17°33'N, 94°42'W] KU 23930 Alouatta palliata mexicana Mexico Veracruz 20 km E of Jesus Carranza [17°26'N, 94°49'W] KU 23941 Alouatta palliata mexicana Mexico Veracruz 35 km SE of Jesus Carranza [17°13'N, 94°47'W] KU 39424 Alouatta palliata mexicana Mexico Veracruz Arroyo Azul, 8 km S, 26 km E of Jesus Carranza [17°21'N, 94°45'W] LSU 5997 Alouatta palliata Mexico Veracruz 26 km ESE Jesus Carranza [17°17'N, 94°49'W] USNM 078121 Alouatta palliata mexicana Mexico Veracruz Minatitlan [17°59'N, 94°31'W] AMNH 17226 Alouatta palliata mexicana Mexico Veracruz Pasa Nueva [Paso Nuevo] [18°00'N, 94°27'W] AMNH 212199 Alouatta palliata mexicana Mexico Oaxaca Ubero [Uvero] [17°16'N, 95°01'W] KU 66239 Alouatta palliata mexicana Mexico Tabasco 6 mi S of Cardenas [17°54'N, 93°22'W] KU 66241 Alouatta palliata mexicana Mexico Tabasco 5 mi SE of Macuspana [17°41'N, 92°32'W] KU 66772 Alouatta palliata mexicana Mexico Tabasco Macuspana [17°46'N, 92°36'W] LSU 7620 Alouatta palliata Mexico Tabasco 5 mi SE Teapa [17°32'N, 92°55'W] USNM 076718 Alouatta palliata mexicana Mexico Tabasco Chilapa River [18°14'N, 92°40'W] USNM 089516 Alouatta palliata mexicana Mexico Tabasco Frontera [18°25'N, 92°50'W] USNM 100518 Alouatta palliata mexicana Mexico Tabasco Monte Cristo [Emiliano Zapata] [17°45'N, 91°46'W] FMNH 22394 Alouatta palliata palliata Honduras Cortes San Pedro 15°30'N, 88°02'W FMNH 48007 Alouatta palliata palliata Honduras Cortes Lake Ticamaya, near San Pedro 15°31'N, 87°53'W FMNH 019470 Alouatta palliata mexicana Honduras Cortes Chamelecon [15°26'N, 88°01'W] FMNH 016080 Alouatta palliata mexicana Honduras Gracias A Dios Segovia River [14°45'N, 84°00'W] USNM 252604 Alouatta palliata mexicana Honduras Yoro Guaymas [15°27'N, 87°30'W] MSU MR.5861 Alouatta pigra Honduras Olancho 15 km E Catacamas [14°45'N, 85°47'W] AMNH 123281 Alouatta palliata palliata Honduras Copan [14°50'N, 89°09'W] AMNH 128109 Alouatta palliata palliata Honduras Catacamas [14°48'N, 85°54'W] AMNH 24233 Alouatta palliata Honduras Santa Rosa, 3 miles up Roman R [15°55'N, 85°41'W] KU 71038 Alouatta palliata palliata Nicaragua Matagalpa 3 mi E of San Ramon [12°55'N, 85°50'W] KU 106304 Alouatta palliata palliata Nicaragua Matagalpa Santa Maria de Ostuma [12°40'N, 86°09'W] 5

KU 115179 Alouatta palliata palliata Nicaragua Matagalpa 2 km N, 6 km E of Esquipulas [12°40'N, 85°47'W] AMNH 28973 Alouatta palliata palliata Nicaragua Matagalpa Matagalpa [12°55'N, 85°55'W] AMNH 29849 Alouatta palliata palliata Nicaragua Matagalpa Peña Blanca [12°41'N, 85°41'W] AMNH 176634 Alouatta palliata palliata Nicaragua Managua Lake Jiloa [12°13'N, 85°30'W] USNM 337849 Alouatta palliata palliata Nicaragua Rivas Hacienda Amayo [11°19'N, 85°42'W] Isla de Ometepe-Volcan Concepcion; 5 km E of KU 97861 Alouatta palliata palliata Nicaragua Rivas [11°32'N, 85°40'W] Moyogalpa KU 97869 Alouatta palliata palliata Nicaragua Rivas 3 km N, 4 km W of Sapoa [11°15'N, 85°38'W] Isla de Ometepe-Volcan Concepcion; 3 km NE of KU 115185 Alouatta palliata palliata Nicaragua Rivas [11°32'N, 85°42'W] Moyogalpa KU 115187 Alouatta palliata palliata Nicaragua Rivas Isla de Ometepe- 2 km N of Merida [11°26'N, 85°34'W] KU 97860 Alouatta palliata palliata Nicaragua Granada 6 km S of Nandaime [11°40'N, 86°03'W] KU 106308 Alouatta palliata palliata Nicaragua Granada Finca Santa Cecilia; 6.5 km SE of Guanacaste [11°51'N, 86°01'W] USNM 339923 Alouatta palliata palliata Nicaragua Granada La Calera, 3 Km S, 5 Km W, Nandaime [11°44'N, 86°06'W] USNM 339932 Alouatta palliata palliata Nicaragua Granada Mecatepe, 2 Km N, 11 Km E, Nandaime [11°46'N, 85°57'W] KU 71039 Alouatta palliata palliata Nicaragua Carazo 3 mi NNW of Diriamba [11°51'N, 86°14'W] KU 115182 Alouatta palliata palliata Nicaragua Carazo 3 km N, 4 km W of Diriamba [11°52'N, 86°16'W] 20 km above junction of Rio Mahogany and Rio KU 106305 Alouatta palliata palliata Nicaragua Zelaya [12°05'N, 84°10'W] Escondido KU 108276 Alouatta palliata palliata Nicaragua La Esperanza, Rio San Juan [11°02'n, 84°29'w] FMNH 63788 Alouatta palliata palliata Nicaragua Jinotega, Sierra E Jinotega, 1500 M 13°04'N, 85°58'W LSU 9450 Alouatta palliata Costa Rica Guanacaste 3 mi E Tilaran [10°28'N, 84°55'W] MVZ 95052 Alouatta palliata palliata Costa Rica Guanacaste Paso Tempisque, Rio Tempisque 10°19'N, 85°21'W LACM 23672 Alouatta palliata Costa Rica Guanacaste 3 km S Playa del Coco [10°33'N, 85°43'W] LACM 26674 Alouatta palliata Costa Rica Guanacaste Samara (Nicoya Peninsula) [9°53'N, 85°32'W] NMW 4182/B 4579 Alouatta palliata Costa Rica Guanacaste Bebedero, Guanacaste [10°20'N, 85°13'W] LSU 9285 Alouatta palliata Costa Rica Puntarenas Quepos, Hda. Quebrada Azul [9°24'N, 84°09'W] LACM 26783 Alouatta palliata Costa Rica Puntarenas Potrero Grande, 15 km NE; Finca El Helechales [9°04'N, 83°05'W] USNM 284635 Alouatta palliata palliata Costa Rica Limon Pandora, 3 Mi S, Estrella Valley [9°44'N, 82°58'W] USNM 284639 Alouatta palliata palliata Costa Rica Limon 0.5 mi E Madre De Dios [10°05'N, 83°23'W] NMW 4186/B 4581 Alouatta palliata Costa Rica Limon Hamburg Farm am Rio Reventazon [10°18'N, 83°25'W] LACM 26277 Alouatta palliata palliata Costa Rica Alajuela Playuelas; 7 mi S Los Chiles [10°58'N, 84°47'W] LACM 70898 Alouatta palliata Costa Rica Alajuela Los Chiles [11°02'N, 84°43'W] USNM 152131 Alouatta palliata palliata Costa Rica Volcan De Turrialba, Gungaba [10°02'N, 83°46'W] BMNH 1865.5.18.1 Alouatta palliata Costa Rica Nicoya [10°09'N, 85°27'W] AMNH 24437 Alouatta palliata palliata Costa Rica Talamanca Cuabre [9°36'N, 82°47'W] AMNH 139235 Alouatta palliata aequatorialis Costa Rica Puerto Cortes [8°58'N, 83°31'W] AMNH 24433 Alouatta palliata palliata Costa Rica Talamanca, Cahuita [9°44'N, 82°52'W] 6

FMNH 14223 Alouatta palliata aequatorialis Panama Chiriqui Boquete 8°47'N, 82°26'W FMNH 14229 Alouatta palliata aequatorialis Panama Chiriqui Boqueron 8°30'N, 82°34'W MVZ 78310 Alouatta palliata palliata Panama Chiriqui W slope Chiriqui Volcano 8°48'N, 82°34'W Rio Corutu Between Puerto Armuelles And The Costa USNM 291032 Alouatta palliata aequatorialis Panama Chiriqui [8°16'N, 82°54'W] Rica Boundary Of The Burica Peninsula USNM 291034 Alouatta palliata aequatorialis Panama Chiriqui Burica Peninsula [8°10'N, 82°55'] USNM 291103 Alouatta palliata aequatorialis Panama Chiriqui Palo Santo [8°49'N, 82°41'W] AMNH 147774 Alouatta palliata aequatorialis Panama Chiriqui El Naranjo, near Volcan [8°36'N, 82°16'W] MCZ 28735 Alouatta palliata trabeata Panama Herrera near Potuga and Parita [8°02'N, 80°35'W] MCZ 29543 Alouatta palliata trabeata Panama Herrera Capina [7°56'N, 80°30'W] USNM 240406 Alouatta palliata aequatorialis Panama Darien Rio Chucunaque [8°15'N, 77°44'W] USNM 306825 Alouatta palliata aequatorialis Panama Darien Mouth Rio Paya [7°57'N, 77°30'W] USNM 310304 Alouatta palliata aequatorialis Panama Darien Tacarcuna Mali Camp [8°11'N, 77°17'W] USNM 362284 Alouatta palliata aequatorialis Panama Darien Jaque [7°31'N, 78°10'W] USNM 324245 Alouatta palliata aequatorialis Panama Los Santos Guanico Arriba [7°20'N, 80°30'W] USNM 324247 Alouatta palliata aequatorialis Panama Los Santos Cerro Hoya [7°18'N, 80°45'W] USNM 291146 Alouatta palliata aequatorialis Panama Bocas Del Toro Nievecita Farm [9°34'N, 82°44'W] USNM 291153 Alouatta palliata aequatorialis Panama Bocas Del Toro Dos Canjos [Caños] Farm [9°35'N, 82°44'W] USNM 291167 Alouatta palliata aequatorialis Panama Bocas Del Toro Elena Farm [9°34'N, 82°46'W] USNM 315789 Alouatta palliata aequatorialis Panama Bocas Del Toro Almirante [9°18'N, 82°24'W] USNM 315795 Alouatta palliata aequatorialis Panama Bocas Del Toro Boca Del Drago [9°25'N, 82°20'W] USNM 315826 Alouatta palliata aequatorialis Panama Bocas Del Toro Colon Island [9°24'N, 82°17'W] KU 45099 Alouatta palliata aequatorialis Panama Canal Zone Barro Colorado Island [9°09'N, 79°50'W] MVZ 116824 Alouatta palliata aequatoralis Panama Canal Zone near Gatun 9°16'N, 79°55'W USNM 257307 Alouatta palliata aequatorialis Panama Canal Zone Gatun [lake] [9°12'N, 79°55'W] USNM 258319 Alouatta palliata aequatorialis Panama Canal Zone Maiz Island, Gatun Lake, Near Mainland [9°08'N, 79°52'W] Canal Zone, River Pequeni, Salamanca, Hydrographic MCZ 34315 Alouatta palliata aequatorialis Panama Canal Zone [9°20'N, 79°36'W] Station USNM 171068 Alouatta palliata aequatorialis Panama Panama Cerro Azul, Near Headwaters Of Chagres River [9°13'N, 79°25'W] USNM 335452 Alouatta palliata aequatorialis Panama San Blas Armila [8°40'N, 77°28'W] MCZ 20991 Alouatta palliata aequatorialis Panama Panama; Rio Bayamo [9°10'N, 78°25'W] USNM 266854 Alouatta palliata Panama Veragua [Veraguas] [8°52'N, 80°54'W] USNM 283896 Alouatta palliata aequatorialis Panama Cabra Valley [9°07'N, 79°19'W] USNM 284783 Alouatta palliata aequatorialis Panama Orchid Island [9°10'N, 79°50'W] USNM 284915 Alouatta palliata aequatorialis Panama Bayano River Where Maje Enters, Gauganti [9°05'N, 78°45'W] USNM 284952 Alouatta palliata aequatorialis Panama near Cacique [9°37'N, 79°37'W] USNM 290587 Alouatta palliata aequatorialis Panama Isla Arena [9°15'N, 79°49'W] USNM 290606 Alouatta palliata aequatorialis Panama Near Mouth Of Rio Paya, Tuiro [Tuira] River [7°57'N, 77°30'W] 7

FMNH 14230 Alouatta palliata coibensis Panama Coiba Island 7°27'N, 81°47'W BMNH 1903.3.1.8 Alouatta palliata Panama W of Panama, Almijas Island [8°17'N, 82°23'W] BMNH 1903.3.1.1 Alouatta palliata Panama W of Panama, Sevilla Island [8°14'N, 82°24'W]

RECORDS FOR Alouatta pigra KU 66242 Alouatta pigra Mexico Tabasco 5 mi SE of Macuspana [17°41'N, 92°32'W] KU 66773 Alouatta pigra Mexico Tabasco Macuspana [17°46'N, 92°36'W] Alouatta palliata villosa Rio Usumacinta, opposite of village of Monte Cristo AMNH 14521 Mexico Tabasco [17°46'N, 91°51'W] mexicana [Emiliano Zapata] KU 93803 Alouatta pigra Mexico Campeche 7 km N, 51 km E of Escarcega [18°40'N, 90°16'W] USNM 108285 Alouatta pigra Mexico Campeche Abazote [Apazote] near Yohaltun [19°04'N, 90°16'W] USNM 177545 Alouatta pigra Mexico Campeche La Tuxpena [18°27'N, 90°05'W] USNM 179396 Alouatta pigra Mexico Campeche Champoton, La Tuxpena [19°20'N, 90°44W] MSU MR.12440 Alouatta pigra Mexico Yucatan Dzitas [20°51'N, 88°31W] KU 102620 Alouatta pigra Mexico Chiapas Ruinas de Palenque [17°28'N, 92°04'W] USNM 292170 Alouatta pigra Mexico Chiapas 10 km SW of Palenque [17°27'N, 92°03'W] MCZ 47266 Alouatta palliata pigra Mexico Chiapas Laguna Ocotal [16°49'N, 91°27'W] KU 66248 Alouatta pigra Mexico Chiapas Capullin [16°45'N, 91°38'W] UMMZ 63503 Alouatta pigra Guatemala Peten Uaxactun [17°24'N, 89°63'W] USNM 244870 Alouatta pigra Guatemala Peten Libertad [16°47'N, 90°07'W] USNM 249827 Alouatta pigra Guatemala Peten Laguna El Sotz [Zotz] [16°57'N, 90°08'W] AMNH 149362 Alouatta palliata pigra Guatemala Peten 12 mi S La Libertad [16°36'N, 90°07'W] LACM 53664 Alouatta pigra Guatemala Huehuetenango San Mateo; Ixtatan [15°50'N, 91°28'W] KU 82195 Alouatta pigra Guatemala Alta Verapaz Chinaja [16°01'N, 90°13'W] NMW 2779/ST 673 Alouatta pigra Guatemala Alta Verapaz Coban [15°28'N, 90°20'W] FMNH 64590 Alouatta pigra Guatemala Zacapa Sierra de Las Minas, Montana El Alto 15°05'N, 89°50'W USNM 238704 Alouatta pigra Guatemala Quiriqua [Quirigua] [15°16'N, 89°04'W] USNM 140762 Alouatta pigra Guatemala Pan705 [Panzos], near Rio Polochic [15°24'N, 89°38'W] MSU MR.12379 Alouatta pigra Belize Orange Walk vicinity of Orange Walk [18°04'N, 88°33'W] LSU 7153 Alouatta pigra Belize Orange Walk Gallon Jug [17°33'N, 89°03'W] MCZ 24059 Alouatta palliata luctuosa Belize Cayo British Honduras; Cayo District, Mountain Cow [16°48'N, 89°04'W] UMMZ 103300 Alouatta palliata pigra Belize Cayo Headwaters Sibun River [17°02'N, 88°40'W] LSU 7154 Alouatta pigra Belize Cayo E branch of Belize River, 3.5 mi S of San Luis sawmill [16°52'N, 89°00'W] ROM 33487 Alouatta pigra Belize Rockstone Pond [17°45'N, 88°20'W] Note: [ ]=inferred ¹AMNH-American Museum of Natural History New York, BMNH-British Museum of Natural History (Natural History Museum London), FMNH- Chicago Field Museum of Natural History, KU-University of Kansas Biodiversity Research Center, LACM-Los Angeles County Museum of 8

Natural History, LSU-Louisiana State University Museum of Natural Science, MCZ-Museum of Comparative Zoology Harvard University, MSU- Michigan State University Museum, MVZ-Museum of Vertebrate Zoology University of California Berkeley, NMW-Naturhistorisches Museum Wien, ROM-Royal Ontario Museum, UMMZ-University of Michigan Museum of Zoology, USNM-Smithsonian Institution National Museum of Natural History