Just been checking through photos and realised I missed one species from Hoo Farm;
183) Boa constrictor (Boa constrictor)
Realised I counted Goeldi's Monkey twice at Welsh Mountain Zoo and ZSL London Zoo, so start this one on 183!
Tropiquaria- 20/07/2019
183) Yellow-footed Tortoise (Chelonoidis denticulata)
184) Green-bottle Blue Tarantula (Chromatopelma cyaneopubescens)
185) Bahia Scarlet Tarantula (Lasiodora klugi)
186) Central American Agouti (Dasyprocta punctata)
Exmoor Zoo- 20/07/2019
187) Amazon Tree Boa (Corallus hortulanus)
188) Red-browed Amazon (Amazona rhodocorytha)
189) Grey-breasted Parakeet (Pyrrhura griseipectus)
190) Blue-throated Conure (Pyrrhura cruentata)
191) Bodin's Amazon (Amazona bodini)
192) Maned Wolf (Chrysocyon brachyurus)
193) Large Hairy Armadillo (Chaetophractus villosus)
194) Great Green Macaw (Ara ambiguus)
195) Yellow-shouldered Amazon (Amazona barbadensis)
196) Glossy Ibis (Plegadis falcinellus)
197) Puna Ibis (Plegadis ridgwayi)
198) Black-crowned Night Heron (Nycticorax nycticorax)
199) Boat-billed Heron (Cochlearius cochlearius)
200) Cinnamon Teal (Spatula cyanoptera)
201) Buff-necked Ibis (Theristicus caudatus)
202) Tayra (Eira barbara)
203) Puma (Puma concolor)
204) Roseate Spoonbill (Platalea ajaja)
205) Brazilian Guinea Pig (Cavia aperea)
206) Silvery Marmoset (Mico argentatus)
207) Chacoan Mara (Dolichotis salinicola)
208) Red-handed Tamarin (Saguinus midas)
209) Grey-legged Douroucoulli (Aotus lemurinus)
Newquay Zoo- 23/07/2019
210) White-throated Capuchin (Cebus capucinus)
211) Scarlet Macaw (Ara macao)
212) Ultramarine Grosbeak (Cyanocompsa brissoni)
213) Hoffman's Two-toed Sloth (Choloepus hoffmanni)
214) Red-and-white Crake (Laterallus leucopyrrhus)
215) Saffron Finch (Sicalis flaveola)
216) Blue Ground Dove (Claravis pretiosa)
217) Lemur Leaf Frog (Hylomantis lemur)
218) Buffy-headed Capuchin (Sapajus xanthosternos)
219) Spectacled Parrotlet (Forpus conspicillatus)
Paradise Park- 24/07/2019
220) Grey-winged Trumpeter (Psophia crepitans)
221) Sun Conure (Aratinga solstitialis)
222) Emma's Conure (Pyrrhura emma)
223) Crimson-bellied Conure (Pyrrhura perlata)
224) Nanday Conure (Aratinga nenday)
225) Golden Conure (Guaruba guarouba)
Living Coasts- 27/07/2019
226) Inca Tern (Larosterna inca)
227) Macaroni Penguin (Eudyptes chrysolophus)
228) South American Fur Seal (Arctocephalus australis)
Shaldon Zoo- 27/07/2019
229) Golden Lion Tamarin (Leontopithecus rosalia)
230) Green Acouchi (Myoprocta pratti)
231) Black-legged Poison Frog (Phyllobates bicolor)
Newquay Zoo- 30/07/2019
232) Giant Waxy Monkey Frog (Phyllomedusa bicolor)
233) Peruvian Firestick (Oreophoetes peruana)
Paignton Zoo- 31/07/2019
234) Yellow-spotted River Turtle (Podocnemis unifilis)
235) Elegant Crested Tinamou (Eudromia elegans)
236) Pebas Stubfoot Toad (Atelopus spumarius)
237) Splash-back Poison Frog (Ranitomeya variabilis)
238) Sira Poison Frog (Ranitomeya sirensis)
239) Blessed Poison Frog (Ranitomeya benedicta)
240) Brazil-nut Poison Frog (Dendrobates castaneoticus)
241) Fantastic Poison Frog (Ranitomeya fantastica)
242) Summer's Poison Frog (Ranitomeya summersi)
243) Pleasing Poison Frog (Ameerega bassleri)
244) Clown Tree Frog (Dendropsophus leucophyllatus)
245) Brown Spider Monkey (Ateles hybridus)
246) Collared Peccary (Pecari tajacu)
247) Toco Toucan (Ramphastos toco)
Linton Zoo- 03/08/2019
248) Blue-cheeked Amazon (Amazona dufresniana)
249) Pale-billed Aracari (Pteroglossus erythropygius)
250) Pink Zebra Beauty (Eupalaestrus campestratus)
251) Southern Festive Amazon (Amazona festiva)
Hamerton Zoo Park- 03/08/2019
252) Greater Grison (Galictis vittata)
253) Jaguarundi (Herpailurus yagouaroundi)
254) Crested Seriema (Cariama cristata)
255) Daubenton's Curassow (Crax daubentoni)
256) Greater Curassow (Crax rubra)
257) White-lipped Tamarin (Saguinus labiatus)
258) Oncilla (Leopardus tigrinus)
259) Mealy Amazon (Amazona farinosa)
260) Swamp Cavy (Cavia magna)
Sadly I don't believe I'll be able to add to my total again till November 
Thank you for pointing it out though @pipaluk