48. Matsuda I, Clauss M, Tuuga A, Sugau J, Hanya G, Yumoto T, Bernard H, Hummel J (2017)
Factors affecting leaf selection by foregut-fermenting proboscis monkeys: new insight from in
vitro digestibility and toughness of leaves. Sci Rep 7:42774
49. Milton K (1979) Factors influencing leaf choice by howler monkeys: a test of some hypotheses
of food selection by generalist herbivores. Am Natural 114:362–378
50. Kool KM (1992) Food selection by the silver leaf monkey, Trachypithecus auratus sondaicus,
in relation to plant chemistry. Oecologia 90:527–533
51. Espinosa-Gómez FC, Serio-Silva JC, Santiago-García JD, Sandoval-Castro CA, HernándezSalazar LT, Mejía-Varas F, Ojeda-Chávez J, Chapman CA (2018) Salivary tannin-binding
proteins are a pervasive strategy used by the folivorous/frugivorous black howler monkey. Am
J Primatol 80:e22737
52. Laska M (1996) Taste preference thresholds for food-associated sugars in the squirrel monkey
(Saimiri sciureus). Primates 37:91–95
53. Swithers SE, Davidson TL (2008) A role for sweet taste: calorie predictive relations in energy
regulation by rats. Behav Neurosci 122:161–173
54. Laska M (1997) Taste preferences for five food-associated sugars in the squirrel monkey
(Saimiri sciureus). J Chem Ecol 23:659–672
55. Laska M, Sanchez EC, Luna ER (1998) Relative taste preferences for food-associated sugars
in the spider monkey (Ateles geoffroyi). Primates 39:91–96
56. Johnson SA, van Tets IG, Nicolson SW (1999) Sugar preferences and xylose metabolism of a
mammal pollinator, the Namaqua rock mouse (Aethomys namaquensis). Physiol Biochem
Zool 72:438–444
57. Rodríguez-Peña N, Stoner KE, Schondube JE, Ayala-Berdón J, Flores-Ortiz CM, del Rio CM
(2007) Effects of sugar composition and concentration on food selection by Saussure’s longnosed bat (Leptonycteris curasoae) and the long-tongued bat (Glossophaga soricina).
J Mammal 88:1466–1474
58. Coleman JC, Downs CT (2012) The sweet side of life: nectar sugar type and concentration
preference in Wahlberg’s epauletted fruit bat. Comp Biochem Physiol A Mol Integr Physiol
162:431–436
59. Landwehr GO, Richardson KC, Wooller RD (1990) Sugar preferences of honey possums
Tarsipes rostratus (Marsupialia: Tarsipedidae) and western pygmy possums Cercartetus
concinnus (Marsupialia: Burramyidae). Aust Mammal 13:5–10
60. Lu HP, Wang YB, Huang SW, Lin CY, Wu M, Hsieh CH, Yu HT (2012) Metagenomic analysis
reveals a functional signature for biomass degradation by cecal microbiota in the leaf-eating
flying squirrel (Petaurista alborufus lena). BMC Genomics 13:466
61. Matsuda I, Bernard H, Tuuga A, Nathan SKSS, Sha JCM, Osman I, Sipangkui R, Seino S,
Asano S, Wong A, Kreuzer M, Ramirez Saldivar DA, Clauss M (2018) Fecal nutrients suggest
diets of higher fiber levels in free-ranging than in captive proboscis monkeys (Nasalis
larvatus). Front Vet Sci 4:246
62. Ganzhorn JU, Arrigo-Nelson SJ, Carrai V, Chalise MK, Donati G, Droescher I, Eppley TM,
Irwin MT, Koch F, Koenig A, Kowalewski MM, Mowry CB, Patel ER, Pichon C, Ralison J,
Reisdorff C, Simmen B, Stalenberg E, Starrs D, Terboven J, Wright PC, Foley WJ (2017) The
importance of protein in leaf selection of folivorous primates. Am J Primatol 79:e22550
63. Smallwood PD, Peters WD (1986) Grey squirrel food preferences: the effects of tannin and fat
concentration. Ecology 67:168–174
64. Shimada T (2006) Salivary proteins as a defense against dietary tannins. J Chem Ecol
32:1149–1163
65. Silanikove N, Perevolotsky A, Provenza FD (2001) Use of tannin-binding chemicals to assay
for tannins and their negative postingestive effects in ruminants. Anim Feed Sci Technol
91:69–81
66. Villalba JJ, Provenza FD, Bryant JP (2002) Consequences of the interaction between nutrients
and plant secondary metabolites on herbivore selectivity: benefits or detriments for plants?
Oikos 97:282–292
15 Tree-Leaf Chemicals and Feeding Behavior of Arboreal Mammals in Seasonal. . .
373
Factors affecting leaf selection by foregut-fermenting proboscis monkeys: new insight from in
vitro digestibility and toughness of leaves. Sci Rep 7:42774
49. Milton K (1979) Factors influencing leaf choice by howler monkeys: a test of some hypotheses
of food selection by generalist herbivores. Am Natural 114:362–378
50. Kool KM (1992) Food selection by the silver leaf monkey, Trachypithecus auratus sondaicus,
in relation to plant chemistry. Oecologia 90:527–533
51. Espinosa-Gómez FC, Serio-Silva JC, Santiago-García JD, Sandoval-Castro CA, HernándezSalazar LT, Mejía-Varas F, Ojeda-Chávez J, Chapman CA (2018) Salivary tannin-binding
proteins are a pervasive strategy used by the folivorous/frugivorous black howler monkey. Am
J Primatol 80:e22737
52. Laska M (1996) Taste preference thresholds for food-associated sugars in the squirrel monkey
(Saimiri sciureus). Primates 37:91–95
53. Swithers SE, Davidson TL (2008) A role for sweet taste: calorie predictive relations in energy
regulation by rats. Behav Neurosci 122:161–173
54. Laska M (1997) Taste preferences for five food-associated sugars in the squirrel monkey
(Saimiri sciureus). J Chem Ecol 23:659–672
55. Laska M, Sanchez EC, Luna ER (1998) Relative taste preferences for food-associated sugars
in the spider monkey (Ateles geoffroyi). Primates 39:91–96
56. Johnson SA, van Tets IG, Nicolson SW (1999) Sugar preferences and xylose metabolism of a
mammal pollinator, the Namaqua rock mouse (Aethomys namaquensis). Physiol Biochem
Zool 72:438–444
57. Rodríguez-Peña N, Stoner KE, Schondube JE, Ayala-Berdón J, Flores-Ortiz CM, del Rio CM
(2007) Effects of sugar composition and concentration on food selection by Saussure’s longnosed bat (Leptonycteris curasoae) and the long-tongued bat (Glossophaga soricina).
J Mammal 88:1466–1474
58. Coleman JC, Downs CT (2012) The sweet side of life: nectar sugar type and concentration
preference in Wahlberg’s epauletted fruit bat. Comp Biochem Physiol A Mol Integr Physiol
162:431–436
59. Landwehr GO, Richardson KC, Wooller RD (1990) Sugar preferences of honey possums
Tarsipes rostratus (Marsupialia: Tarsipedidae) and western pygmy possums Cercartetus
concinnus (Marsupialia: Burramyidae). Aust Mammal 13:5–10
60. Lu HP, Wang YB, Huang SW, Lin CY, Wu M, Hsieh CH, Yu HT (2012) Metagenomic analysis
reveals a functional signature for biomass degradation by cecal microbiota in the leaf-eating
flying squirrel (Petaurista alborufus lena). BMC Genomics 13:466
61. Matsuda I, Bernard H, Tuuga A, Nathan SKSS, Sha JCM, Osman I, Sipangkui R, Seino S,
Asano S, Wong A, Kreuzer M, Ramirez Saldivar DA, Clauss M (2018) Fecal nutrients suggest
diets of higher fiber levels in free-ranging than in captive proboscis monkeys (Nasalis
larvatus). Front Vet Sci 4:246
62. Ganzhorn JU, Arrigo-Nelson SJ, Carrai V, Chalise MK, Donati G, Droescher I, Eppley TM,
Irwin MT, Koch F, Koenig A, Kowalewski MM, Mowry CB, Patel ER, Pichon C, Ralison J,
Reisdorff C, Simmen B, Stalenberg E, Starrs D, Terboven J, Wright PC, Foley WJ (2017) The
importance of protein in leaf selection of folivorous primates. Am J Primatol 79:e22550
63. Smallwood PD, Peters WD (1986) Grey squirrel food preferences: the effects of tannin and fat
concentration. Ecology 67:168–174
64. Shimada T (2006) Salivary proteins as a defense against dietary tannins. J Chem Ecol
32:1149–1163
65. Silanikove N, Perevolotsky A, Provenza FD (2001) Use of tannin-binding chemicals to assay
for tannins and their negative postingestive effects in ruminants. Anim Feed Sci Technol
91:69–81
66. Villalba JJ, Provenza FD, Bryant JP (2002) Consequences of the interaction between nutrients
and plant secondary metabolites on herbivore selectivity: benefits or detriments for plants?
Oikos 97:282–292
15 Tree-Leaf Chemicals and Feeding Behavior of Arboreal Mammals in Seasonal. . .
373