Having had a relatively slow start for zoo-visiting this year, I haven't been taking part - but now that I've gotten a bunch of larger collections under my belt I might as well chip in with what I've picked up so far......
SEALIFE Loch Lomond - March 21 2022
1) California Horn Shark (Heterodontus francisci)
2) Japanese Bullhead Shark (Heterodontus japonicus)
3) Port Jackson Shark (Heterodontus portusjacksoni)
4) Grey Bambooshark (Chiloscyllium griseum)
5) White-spotted Bambooshark (Chiloscyllium plagiosum)
6) Brown-banded Bambooshark (Chiloscyllium punctatum)
7) Halmahera Epaulette Shark (Hemiscyllium halmahera)
8) Small-spotted Catshark (Scyliorhinus canicula)
9) Common Smooth-hound (Mustelus mustelus)
10) Leopard Shark (Triakis semifasciata)
11) Blacktip Reef Shark (Carcharhinus melanopterus)
12) Whitetip Reef Shark (Triaenodon obesus)
13) Bonnethead Shark (Sphyrna tiburo)
Loch Lomond Bird of Prey Centre - March 21 2022
14) Western European Barn Owl (Tyto alba alba)
15) Tengmalm's Owl (Aegolius funereus funereus)
16) Little Owl (Athene noctua vidalii)
17) Short-eared Owl (Asio flammeus flammeus)
18) Western Tawny Owl (Strix aluco sylvatica)
19) Great Grey Owl (Strix nebulosa lapponica)
20) European Eagle Owl (Bubo bubo bubo)
Calderglen Zoo - March 22 2022
21) Sugar Glider (Petaurus breviceps)
22) Parma Wallaby (Notamacropus parma)
23) Lesser Hedgehog Tenrec (Echinops telfairi)
24) Eurasian Harvest Mouse (Micromys minutus)
25) Scottish Wildcat (Felis silvestris grampia)
26) Fennec Fox (Vulpes zerda)
27) South American Coati (Nasua nasua)
28) Striped Skunk (Mephitis mephitis)
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29) Tawny Frogmouth (Podargus strigoides)
Deep Sea World - March 22 2022
30) Speckled Catshark (Hemiscyllium trispeculare)
31) Sand Tiger Shark (Carcharias taurus)
32) Nursehound (Scyliorhinus stellaris)
33) Angelshark (Squatina squatina)
Tynemouth Aquarium - March 26th 2022
34) Zebra Bullhead Shark (Heterodontus zebra)
35) Arabian Carpetshark (Chiloscyllium arabicum)
Zoo Wroclaw - May 8th 2022
36) New Guinea Short-beaked Echidna (Tachyglossus aculeatus lawesii)
37) Red-necked Wallaby (Notamacropus rufogriseus)
38) Red Kangaroo (Osphranter rufus)
39) Etruscan Shrew (Suncus etruscus)
40) African Pygmy Hedgehog (Atelerix albiventris)
41) Long-eared Hedgehog (Hemiechinus auritus)
42) Hammerhead Bat (Hypsignathus monstrosus)
43) Malagasy Flying Fox (Pteropus rufus)
44) Goodman's Mouse Lemur (Microcebus lehilahytsara)
45) Southern Three-banded Armadillo (Tolypeutes matacus)
46) Woodland Dormouse (Graphiurus murinus)
47) Indian Crested Porcupine (Hystrix indica)
48) Arabian Spiny Mouse (Acomys dimidiatus)
49) Wagner's Gerbil (Gerbillus dasyurus)
50) Pallid Gerbil (Gerbillus floweri)
51) Dwarf Gerbil (Gerbillus nanus)
52) Tristram's Jird (Meriones tristrami)
53) Fat-tailed Jird (Pachyuromys duprasi)
54) Barbary Striped Grass Mouse (Lemniscomys barbarus)
55) White-tailed Antsangy (Brachytarsomys albicauda)
56) Eurasian Lynx (Lynx lynx)
57) Pallas Cat (Otocolobus manul manul)
58) Sri Lankan Rusty Spotted Cat (Prionailurus rubiginosus phillipsi)
59) Indochinese Clouded Leopard (Neofelis nebulosa nebulosa)
60) Sumatran Tiger (Panthera tigris sumatrae)
61) Snow Leopard (Panthera uncia)
62) Eurasian Wolf (Canis lupus lupus)
63) African Wild Dog (Lycaon pictus)
64) Northern Yellow-throated Marten (Martes flavigula aterrima)
65) Aardvark (Orycteropus afer)
66) Western Pygmy Hippopotamus (Choeropsis liberiensis liberiensis)
67) Common Hippopotamus (Hippopotamus amphibius)
68) Balabac Chevrotain (Tragulus nigricans)
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69) Northern Hawk Owl (Surnia ulula ulula)
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70) Vietnamese Golden Gecko (Gekko badenii)
71) Tokay Gecko (Gekko gecko)
72) Smith's Green-eyed Gecko (Gekko smithii)
73) Striped Velvet Gecko (Homopholis fasciata)
74) Williams Electric Blue Gecko (Lygodactylus williamsi)
75) Ocelot Gecko (Paroedura picta)
76) Henkel's Leaf-tailed Gecko (Uroplatus henkeli)
77) Leopard Gecko (Eublepharis macularius)
78) Fat-tailed Gecko (Hemitheconyx caudicinctus)
79) Yellow Fan-fingered Gecko (Ptyodactylus hasselquistii)
80) Ringed Wall Gecko (Tarentola annularis)
81) Tenerife Wall Gecko (Tarentola delalandii)
82) Moorish Gecko (Tarentola mauritanica)
83) Crested Gecko (Correlophus ciliatus)
84) Gargoyle Gecko (Rhacodactylus auriculatus)
85) Nile Crocodile (Crocodylus niloticus)
86) Slender-snouted Crocodile (Mecistops cataphractus)
87) Dwarf Crocodile (Osteolaemus tetraspis)
88) Spectacled Caiman (Caiman crocodilus crocodilus)
89) Cuvier's Dwarf Caiman (Paleosuchus palpebrosus)
90) Smooth-fronted Caiman (Paleosuchus trigonatus)
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91) Epaulette Shark (Hemiscyllium ocellatum)
92) Short-tailed Nurse Shark (Pseudoginglymostoma brevicaudatum)
93) Grey Reef Shark (Carcharhinus amblyrhynchos)
94) Sandbar Shark (Carcharhinus plumbeus)
Weltvogelpark Walsrode - June 10th 2022
95) Vietnamese Small Flying Fox (Pteropus hypomelanus condorensis)
96) Linnaeus' Two-toed Sloth (Choloepus didactylus)
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97) Kea (Nestor notabilis)
98) Western Ural Owl (Strix uralensis liturata)
Wildpark Schwarze Berge - June 12th 2022
99) West European Hedgehog (Erinaceus europaeus)
100) Raccoon Dog (Nyctereutes procyonoides)
101) European Red Fox (Vulpes vulpes crucigera)
102) Northern Raccoon (Procyon lotor)
103) Beech Marten (Martes foina)
104) European Badger (Meles meles meles)
105) European Polecat (Mustela putorius)
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106) Eurasian Scops Owl (Otus scops)
107) Long-eared Owl (Asio otus otus)
Tierpark Hagenbeck - June 12th 2022
108) Seba's Short-tailed Bat (Carollia perspicillata)
109) Indian Flying Fox (Pteropus medius)
110) Rodrigues Flying Fox (Pteropus rodricensis)
111) Large Flying Fox (Pteropus vampyrus)
112) Egyptian Fruitbat (Rousettus aegyptiacus)
113) North American Porcupine (Erethizon dorsatum)
114) Lion (Panthera leo)
115) North Chinese Leopard (Panthera pardus japonensis)
116) White-nosed Coati (Nasua narica)
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117) Coral Catshark (Atelomycterus marmoratus)
118) Zebra Shark (Stegostoma fasciatum)
All in all, not bad going considering I have yet to visit many UK collections this year and have seen very few marsupials and felids

a pity that rays were not included alongside sharks on the grounds people usually can't be bothered to work out what they have seen, as the number of ray taxa I have seen this year would have pushed me close to 150!