Oops, my bad! I somehow thought Nubian Ibex was a subspecies of Alpine Ibex...Singapore Zoo has Nubian ibex, not alpine ibex so you have 123 species which still puts you in the lead by 54.
Here's my updated list
#1 Penang Bird Park <Penang, Malaysia> (January 4th, 2025)
<Birds>
1. Common Ostrich (Struthio camelus)
2. Emu (Dormaius novaehollandiae)
3. Indian Peafowl (Pavo cristatus)
4. Greater Flamingo (Phoenicopterus roseus)
<Reptiles>
5. Saltwater Crocodile (Crocodylus porosus)
#2 Lost World of Tambun <Perak, Malaysia> (January 5th, 2025)
<Mammals>
6. Black-Tailed Prairie Dog (Cynomys ludovicianus)
7. Capybara (Hydrochoerus hydrochaeris)
8. Asian Small-Clawed Otter (Aonyx cinereus)
9. Meerkat (Suricata suricatta)
10. Raccoon (Procyon lotor)
11. Malayan Tapir (Tapirus indicus)
12. Plains Zebra (Equus quagga)
13. Reticulated Giraffe (Giraffa reticulata)
14. Binturong (Arctictis binturong)
<Birds>
15. Southern Cassowary (Casuarius casuarius)
<Reptiles>
16. African Spurred Tortoise (Centrochelys sulcata)
17. Spectacled Caiman (Caiman crocodilus)
18. Asian Water Monitor (Varanus salvator)
19. Blue-Tongued Lizard (Tiliqua scincoides)
20. Green Iguana (Iguana iguana)
#3 Taipei Zoo <Taipei, Taiwan> (January 9th, 2025) - Did not visit some areas
<Mammals>
21. Koala (Phascolarctos cinereus)
22. African Savannah Elephant (Loxodonta africana)
23. Black-and-White Ruffed Lemur (Varecia variegate)
24. Bornean Orangutan (Pongo pygmaeus)
25. Colombian White-Faced Capuchin Monkey (Cebus capucinus)
26. Lar Gibbon (Hylobates lar)
27. Ring Tailed Lemur (Lemur catta)
28. Siamang (Symphalangus syndactylus)
29. Western Lowland Gorilla (Gorilla gorilla gorilla)
30. North American Beaver (Castor canadensis)
31. Chinese Pangolin (Manis pentadactyla)
32. Amur Leopard (Panthera pardus orientalis)
33. Malayan Tiger (Panthera tigris jacksoni)
- represented for Bengal Tiger
34. Indochinese clouded leopard (Neofelis nebulosa)
35. Formosan Black Bear (Ursus thibetanus formosanus)
36. Giant Panda (Ailuropoda melanoleuca)
37. Spotted Hyena (Crocuta Crocuta)
38. Sun bear (Helarctos malayanus)
39. Przewalski's Horse (Equus ferus przewalskii)
40. Somali Wild Ass (Equus africanus somaliensis)
41. Southern White Rhinoceros (Ceratotherium simum simum)
42. Addax (Addax nasomaculatus)
43. Alpaca (Vicugna vicugna f. pacos)
44. Bactrian Camel (Camelus bactrianus)
45. Bongo (Tragelaphus eurycerus)
46. Hippopotamus (Hippopotamus amphibius)
47. Pygmy Hippo (Choeropsis liberiensis)
48. Wild Boar (Sus scrofa)
<Birds>
49. Red-Crowned Crane (Grus japonensis)
50. African Penguin (Spheniscus demersus)
51. King Penguin (Aptenodytes patagonicus)
#4 Leofoo Village <Hsinchu, Taiwan> (January 10th, 2025)
<Mammals>
52. Hamadryas Baboon (Papio hamadryas)
53. Lion (Panthera leo)
54. Siberian Tiger (Panthera tigris tigris)
55. African Buffalo (Syncerus caffer caffer)
56. American Bison (Bison bison)
57. Common Warthog (Phacochoerus africanus)
58. Dromedary Camel (Camelus dromedarius)
#5 Jojo Zoo Park <Nantou, Taiwan> (January 11th, 2025)
<Mammals>
59. American Standard Donkey (Equus asinus)
60. Red-Necked Wallaby (Notamacropus rufogriseus)
<Birds>
61. Mute Swan (Cygnus olor)
#6 Pushin Ranch <Taoyuan, Taiwan> (January 12th, 2025)
<Mammals>
62. Red Kangaroo (Osphranter rufus)
#7 Green World Ecological Farm <Hsinchu, Taiwan> (January 14th, 2025)
63. Red-Eyed Tree Frog (Agalychnis callidryas)
#8 Zoo Taiping <Perak, Malaysia> (January 18th, 2025)
<Mammals>
64. Dhole (Cuon alpinus)
65. Fennec fox (Vulpes zerda)
66. Striped skunk (Mephitis mephitis)
67. Nyala (Tragelaphus angasii)
68. Indochinese leopard (Panthera pardus delacouri)
- represented for African Leopard
<Reptiles>
69. Boa (Boa constrictor)
#9 The Wanz Animal Park <Kedah, Malaysia> (February 8th, 2025)
70. Red Fox (Vulpes vulpes)
#10 Hong Kong Ocean Park <Hong Kong> (February 27th & March 12th, 2025)
<Mammals>
71. Red panda (Ailurus fulgens)
72. California sea lion (Zalophus californianus)
73. Arctic fox (Vulpes lagopus)
<Amphibians>
74. Golden Poison Frog (Phyllobates terribilis)
#11 Toba Aquarium <Mie, Japan> (March 4th, 2025)
<Mammals>
75. Grey seal (Halichoerus grypus)
<Reptiles>
76. American alligator (Alligator mississippiensis)
#12 Higashiyama Zoological and Botanical Gardens <Aichi, Japan> (March 5th, 2025)
<Mammals>
77. Aardvark (Orycteropus afer)
78. Giant Anteater (Myrmecophaga tridactyla)
79. Eastern wolf (Canis lupus Lycaon)
80. Jaguar (Panthera onca)
81. Snow leopard (Panthera uncia)
82. Sand cat (Felis margarita)
83. Ussuri brown bear (Ursus arctos lasiotus)
84. Polar bear (Ursus maritimus)
85. Black Rhinoceros (Diceros bicornis)
86. Indian Rhinoceros (Rhinoceros unicornis)
87. Japanese Macaque (Macaca fuscata)
88. Mandrill (Mandrillus sphinx)
89. Egyptian Fruit Bat (Rousettus aegyptiacus)
<Reptiles>
90. Aldabra Giant Tortoise (Aldabrachelys gigantea)
<Amphibians>
91. Axolotl (Ambystoma mexicanum)
#13 Moff LaLaport Aichi Togo <Aichi, Japan> (March 5th, 2025)
92. Hermann's Tortoise (Testudo hermanni)
#14 Ueno Zoological Gardens <Tokyo, Japan> (March 7th, 2025)
<Mammals>
93. Pallas's cat (Otocolobus manul)
94. Indian Elephant (Elephas maximus indicus)
95. African Crested Porcupine (Hystrix cristata)
96. Collared peccary (Pecari tajacu)
97. Llama (Lama glama)
<Reptiles>
98. Galapagos Giant Tortoise (Chelonoidis niger)
99. Gila Monster (Heloderma suspectum)
<Amphibians>
100. American Bullfrog (Lithobates catesbeianus)
#15 Nogeyama Zoological Gardens <Kanagawa, Japan> (March 8th, 2025)
<Mammals>
101. Red Ruffed Lemur (Varecia rubra)
<Reptiles>
102. Gharial (Gavialis gangeticus)
#16 Aqua Park Shinagawa <Tokyo, Japan> (March 11th, 2025)
<Amohibians>
103. Fire Salamander (Salamandra salamandra)
#17 Entopia by Penang Butterfly Farm <Penang, Malaysia> (March 17, 2025)
<Invertabrates>
104. Brazilian Salmon Pink Tarantula (Lasiodora parahybana)
105. Giant Malaysian Leaf Insect (Pulchriphyllium giganteum)
#18 Zoo Negara <Selangor, Malaysia> (March 30th, 2025)
<Mammals>
106. Cheetah (Acinonyx jubatus)
107. Cougar (Puma concolor)
108. Striped Hyena (Hyaena hyaena)
109. Sable Antelope (Hippotragus niger)
<Reptiles>
110. Cuvier's dwarf caiman (Paleosuchus palpebrosus)
#19 99 Wonderland Park <Kuala Lumpur, Malaysia> (March 30th, 2025)
<Mammals>
111. Caracal (Caracal caracal)
#20 Monster Aquarium Pattaya <Chon Buri, Thailand> (May 14, 2025)
<Reptiles>
112. Komodo Dragon (Varanus komodoensis)
<Invertabrates>
113. Mexican Red Knee Tarantula (Brachypelma hamorii)
#21 Langkawi Nature Park <Kedah, Malaysia> (June 15, 2025)
<Mammals>
114. Dingo (Canis lupus dingo)
#22 Taipei Zoo <Taipei, Taiwan> (July 12, 2025)
115. Eurasian lynx (Lynx lynx)
<Birds>
1. Common Ostrich (Struthio camelus)
2. Emu (Dormaius novaehollandiae)
3. Indian Peafowl (Pavo cristatus)
4. Greater Flamingo (Phoenicopterus roseus)
<Reptiles>
5. Saltwater Crocodile (Crocodylus porosus)
#2 Lost World of Tambun <Perak, Malaysia> (January 5th, 2025)
<Mammals>
6. Black-Tailed Prairie Dog (Cynomys ludovicianus)
7. Capybara (Hydrochoerus hydrochaeris)
8. Asian Small-Clawed Otter (Aonyx cinereus)
9. Meerkat (Suricata suricatta)
10. Raccoon (Procyon lotor)
11. Malayan Tapir (Tapirus indicus)
12. Plains Zebra (Equus quagga)
13. Reticulated Giraffe (Giraffa reticulata)
14. Binturong (Arctictis binturong)
<Birds>
15. Southern Cassowary (Casuarius casuarius)
<Reptiles>
16. African Spurred Tortoise (Centrochelys sulcata)
17. Spectacled Caiman (Caiman crocodilus)
18. Asian Water Monitor (Varanus salvator)
19. Blue-Tongued Lizard (Tiliqua scincoides)
20. Green Iguana (Iguana iguana)
#3 Taipei Zoo <Taipei, Taiwan> (January 9th, 2025) - Did not visit some areas
<Mammals>
21. Koala (Phascolarctos cinereus)
22. African Savannah Elephant (Loxodonta africana)
23. Black-and-White Ruffed Lemur (Varecia variegate)
24. Bornean Orangutan (Pongo pygmaeus)
25. Colombian White-Faced Capuchin Monkey (Cebus capucinus)
26. Lar Gibbon (Hylobates lar)
27. Ring Tailed Lemur (Lemur catta)
28. Siamang (Symphalangus syndactylus)
29. Western Lowland Gorilla (Gorilla gorilla gorilla)
30. North American Beaver (Castor canadensis)
31. Chinese Pangolin (Manis pentadactyla)
32. Amur Leopard (Panthera pardus orientalis)
33. Malayan Tiger (Panthera tigris jacksoni)
- represented for Bengal Tiger
34. Indochinese clouded leopard (Neofelis nebulosa)
35. Formosan Black Bear (Ursus thibetanus formosanus)
36. Giant Panda (Ailuropoda melanoleuca)
37. Spotted Hyena (Crocuta Crocuta)
38. Sun bear (Helarctos malayanus)
39. Przewalski's Horse (Equus ferus przewalskii)
40. Somali Wild Ass (Equus africanus somaliensis)
41. Southern White Rhinoceros (Ceratotherium simum simum)
42. Addax (Addax nasomaculatus)
43. Alpaca (Vicugna vicugna f. pacos)
44. Bactrian Camel (Camelus bactrianus)
45. Bongo (Tragelaphus eurycerus)
46. Hippopotamus (Hippopotamus amphibius)
47. Pygmy Hippo (Choeropsis liberiensis)
48. Wild Boar (Sus scrofa)
<Birds>
49. Red-Crowned Crane (Grus japonensis)
50. African Penguin (Spheniscus demersus)
51. King Penguin (Aptenodytes patagonicus)
#4 Leofoo Village <Hsinchu, Taiwan> (January 10th, 2025)
<Mammals>
52. Hamadryas Baboon (Papio hamadryas)
53. Lion (Panthera leo)
54. Siberian Tiger (Panthera tigris tigris)
55. African Buffalo (Syncerus caffer caffer)
56. American Bison (Bison bison)
57. Common Warthog (Phacochoerus africanus)
58. Dromedary Camel (Camelus dromedarius)
#5 Jojo Zoo Park <Nantou, Taiwan> (January 11th, 2025)
<Mammals>
59. American Standard Donkey (Equus asinus)
60. Red-Necked Wallaby (Notamacropus rufogriseus)
<Birds>
61. Mute Swan (Cygnus olor)
#6 Pushin Ranch <Taoyuan, Taiwan> (January 12th, 2025)
<Mammals>
62. Red Kangaroo (Osphranter rufus)
#7 Green World Ecological Farm <Hsinchu, Taiwan> (January 14th, 2025)
63. Red-Eyed Tree Frog (Agalychnis callidryas)
#8 Zoo Taiping <Perak, Malaysia> (January 18th, 2025)
<Mammals>
64. Dhole (Cuon alpinus)
65. Fennec fox (Vulpes zerda)
66. Striped skunk (Mephitis mephitis)
67. Nyala (Tragelaphus angasii)
68. Indochinese leopard (Panthera pardus delacouri)
- represented for African Leopard
<Reptiles>
69. Boa (Boa constrictor)
#9 The Wanz Animal Park <Kedah, Malaysia> (February 8th, 2025)
70. Red Fox (Vulpes vulpes)
#10 Hong Kong Ocean Park <Hong Kong> (February 27th & March 12th, 2025)
<Mammals>
71. Red panda (Ailurus fulgens)
72. California sea lion (Zalophus californianus)
73. Arctic fox (Vulpes lagopus)
<Amphibians>
74. Golden Poison Frog (Phyllobates terribilis)
#11 Toba Aquarium <Mie, Japan> (March 4th, 2025)
<Mammals>
75. Grey seal (Halichoerus grypus)
<Reptiles>
76. American alligator (Alligator mississippiensis)
#12 Higashiyama Zoological and Botanical Gardens <Aichi, Japan> (March 5th, 2025)
<Mammals>
77. Aardvark (Orycteropus afer)
78. Giant Anteater (Myrmecophaga tridactyla)
79. Eastern wolf (Canis lupus Lycaon)
80. Jaguar (Panthera onca)
81. Snow leopard (Panthera uncia)
82. Sand cat (Felis margarita)
83. Ussuri brown bear (Ursus arctos lasiotus)
84. Polar bear (Ursus maritimus)
85. Black Rhinoceros (Diceros bicornis)
86. Indian Rhinoceros (Rhinoceros unicornis)
87. Japanese Macaque (Macaca fuscata)
88. Mandrill (Mandrillus sphinx)
89. Egyptian Fruit Bat (Rousettus aegyptiacus)
<Reptiles>
90. Aldabra Giant Tortoise (Aldabrachelys gigantea)
<Amphibians>
91. Axolotl (Ambystoma mexicanum)
#13 Moff LaLaport Aichi Togo <Aichi, Japan> (March 5th, 2025)
92. Hermann's Tortoise (Testudo hermanni)
#14 Ueno Zoological Gardens <Tokyo, Japan> (March 7th, 2025)
<Mammals>
93. Pallas's cat (Otocolobus manul)
94. Indian Elephant (Elephas maximus indicus)
95. African Crested Porcupine (Hystrix cristata)
96. Collared peccary (Pecari tajacu)
97. Llama (Lama glama)
<Reptiles>
98. Galapagos Giant Tortoise (Chelonoidis niger)
99. Gila Monster (Heloderma suspectum)
<Amphibians>
100. American Bullfrog (Lithobates catesbeianus)
#15 Nogeyama Zoological Gardens <Kanagawa, Japan> (March 8th, 2025)
<Mammals>
101. Red Ruffed Lemur (Varecia rubra)
<Reptiles>
102. Gharial (Gavialis gangeticus)
#16 Aqua Park Shinagawa <Tokyo, Japan> (March 11th, 2025)
<Amohibians>
103. Fire Salamander (Salamandra salamandra)
#17 Entopia by Penang Butterfly Farm <Penang, Malaysia> (March 17, 2025)
<Invertabrates>
104. Brazilian Salmon Pink Tarantula (Lasiodora parahybana)
105. Giant Malaysian Leaf Insect (Pulchriphyllium giganteum)
#18 Zoo Negara <Selangor, Malaysia> (March 30th, 2025)
<Mammals>
106. Cheetah (Acinonyx jubatus)
107. Cougar (Puma concolor)
108. Striped Hyena (Hyaena hyaena)
109. Sable Antelope (Hippotragus niger)
<Reptiles>
110. Cuvier's dwarf caiman (Paleosuchus palpebrosus)
#19 99 Wonderland Park <Kuala Lumpur, Malaysia> (March 30th, 2025)
<Mammals>
111. Caracal (Caracal caracal)
#20 Monster Aquarium Pattaya <Chon Buri, Thailand> (May 14, 2025)
<Reptiles>
112. Komodo Dragon (Varanus komodoensis)
<Invertabrates>
113. Mexican Red Knee Tarantula (Brachypelma hamorii)
#21 Langkawi Nature Park <Kedah, Malaysia> (June 15, 2025)
<Mammals>
114. Dingo (Canis lupus dingo)
#22 Taipei Zoo <Taipei, Taiwan> (July 12, 2025)
115. Eurasian lynx (Lynx lynx)
#23 Singapore Zoo <Singapore> (August 16, 2025)
<Mammals>
116. Proboscis Monkey (Nasalis larvatus)
117. African Wild Dog (Lycaon pictus)
118. Fossa (Cryptoprocta ferox)
119. Nile Lechwe (Kobus megaceros)
120. North Sulawesi Babirusa (Babyrousa celebensis)
121. Red River Hog (Potamochoerus porcus)
#24 River Wonders <Singapore> (August 16, 2025)
<Mammals>
122. Giant Otter (Pteronura brasiliensis)
#25 Night Safari <Singapore> (August 16, 2025)
<Mammals>
123. Maned Wolf (Chrysocyon brachyurus)
Total: 123 species