Final Nicaraguan species lists:

Bats (murciélagos)
1. Artibeus jamaicensis, Jamaican fruit-eating bat
2. Carollia perspicilla, Seba's short-tailed bat
3. Lophostona brasiliensis, Pygmy round-eared bat
4. Artibeus lituratus, great fruit-eating bat
5. Carollia suburbia, Gray short-tailed bat
6. Glossophaga commissarisi, brown long-tongued bat
7. Glossophaga sorcina, Common long-tongued bat
8. Myotis nigricans, black myotis
9. Rhogeessa tumuda, Central American yellow bat
10. Artibeus watsonii, Thomas' fruit-eating bat
11. Eptesicus furinalus, Argentine brown bat
12. Desmodus rotundus, Common vampire
13. Sturnia lilium Little yellow-shouldered Bat
14. Artibius literates Great fruit-eating bat
1 5. Pteronotus personas Lesser mustached bat
16. Molossus pretiosus Miller's mastiff bat
17. Centurion seneca Wrinkle-face bat
18. Artibius phaeotis Pygmy fruit eating bat
19. Artibius intermedius Medium fruit-eating bat
20. Molossops greenhalli
21. Pteronotus parnellii Common mustached bat
22. Pteronotus gymnonotus Big naked-backed bat
23. Saccoptery bilineata Greater white-lined bat
24. Noctilio leporinus Greater fishing bat

Birds (aves) (those that I figured out, usually with the help of José)
1. Turkey vulture (Cathartes aura)
2. Black vulture (Coragyps atratua)
3. Great egret (Casmerodius albus egretta)
4. Snowy egret (Egretta thula thula)
5. Cattle egret (Bubulcus ibis ibis)
6. Neotropican cormorant (Phalacrocorox olivaceous olivaceous)
7. Great-tailed grackle (Cassidix mexicanus)
8. Nicarauguan grackle (Cassidix nicaraguensis)
9. White-throated magpie jay (Calocitta formosa)
10. Wood Storks (Mycteria americana)
11. Smooth-billed Ani (Crotophaga ani)
12. Ferruginous Pygmy owl (Glaucidium brasilianum)
13. Bat Falcon (Falco rufigularis)
14. Brown pelican (Pelecanus occidentalis)
15. Magnificent frigatebird (Fregata magnificens)
16. White-tailed hawk (Buteo albicaudatus )
17. Ruddy ground dove (Columbina talpacotti)
18. Great kiskadee (Pitangus sulphuratus)
19. Solitary Sandpiper (Tringa solitaria solitaria)
20. Maroon chested ground dove (Claravis mondetoura mondetoura)
21. American kestrel (Falco sparverius sparverius)
22. Great potoo (Nyctibius grandis)
23. Short-tailed hawk (Buteo brachyurus)
24. Pacific screech Owl (Otis cooperii)
25. Orange-fronted parakeet (Ataringa canicularis)
26. Common paurague (Nyctidromus albicollis)
27. Double-striped Thick knee (Burhinus bistriatus)
-28. Scissor-tailed flycatcher (Muscivora forficata )
29. Bare-throated Tiger heron (tigrisoma mexicanos)
30. Dusky ant bird (Cercomacra tyrannina rufiventris)
31. Riverside Wren (Thryothorus semibadius)
32. Elegant trogon (Trogon elegans)
33. Black throated trogon (Trogon rufus)
34. Black kingbird (Tyrannus dominicensis?)
35. White-winged dove (Zenaida asiatica panamensis)
36. Roadside hawk (Buteo magninosis)
37. Green kingfisher (Chloroceryle americana)
38. Common Black hawk (Buteogallus anthracinus anthracinus)
39. Crested (Polyborus plancus audubonii)
40. Ringed kingfisher (Ceryle torquata torquata)
41. Tropical parula (Parula pitiayumi)
42. Great curassow (Crax rubra)

Other Animals (otra animales) (usually found by Christian)
1. Central American wooly opossum (Caluromys Serbian)
2. Vine snake (serpiente de vid)
3. Scorpion (escorpión)
4. Tarantula (tarántula)
5. Mantled howler monkeys & babies (mono Congo) (Alouatta palliata)
6. Olive Ridley's sea turtle (tortugas) (Lepidochelys olivacea)
7. Hoffman's two-toed sloth (kukala) (Choloepus hoffmanni)
8. Mountain lion? (scat & track) (lión de montaña) (Puma councilor)
9. Gray four-eyed opossum (Philander opossum)
10. Crabs (freshwater and ocean) (cangrejo)
11. Frogs (rana)... Many kinds
12. Spider monkeys (mono de araña) (Ateles geoffroyi geoffroyi maybe also Ateles geoffroyi ornatus)
13. Spider eyes sparkle in the grass (araña)
14. Giant toad (zapos grandes)
15. Fireflies (kieva plata)
16. Kinkajou (kinkaju) (Potos flavus)
17. Variegated squirrel (ardilla)(Sciurus rariegatoides dorsalis)
18. Eastern cottontail rabbit (consejo) (Sylvilagus floridanus)