La Casona Río Fortuna está rodeada de los pastos y campos de la zona rural afuera de La Fortuna. Muchas especies de animales se alimentan en nuestros jardines tropicales y los frutales. Las orillas del cercano Río Fortuna representan otro habitat valuoso para los animales y plantas. Los bosques primarios y secundarios al otro lado del río representan otro refugio valioso para una variedad de animales y plantas.

Los entornos de la casona no se usan de forma extensiva y se mantienen como un oasis de tranquilidad y un refugio de la naturaleza, especialmente para una gran variedad de aves  que se pueden observar con facilidad. Adicionalmente planeamos de reforestar las orillas del río para protejer el corredor biológico del Río Fortuna.

En avril 2005, la Asociación Ornitológica de Costa Rica AOCR efectuó un primer conteo de aves en las afueras de la casona y estableció este inventario con más de 90 especies.

Family	Scientific Name	English Name	Abundance	Status
Ardeidae	Tigrisoma mexicanum	Bare-throated Tiger-Heron	Common	Resident
	Ardea alba	Great Egret	Common	Resident
	Egretta caerulea	Little Blue Heron	Common	Resident
	Bubulcus ibis	Cattle Egret	Abundant	Resident
	Butorides virescens	Green Heron	Common	Resident
Cathartidae	Coragyps atratus	Black Vulture	Abundant	Resident
	Cathartes aura	Turkey Vulture	Common	Resident
Accipitridae	Elanus leucurus	White-tailed Kite	Uncommon	Resident
	Asturina nitida	Gray Hawk	Common	Resident
	Buteo platypterus	Broad-winged Hawk	Uncommon	Migratory NA
Falconidae	Caracara cheriway	Crested Caracara	Common	Resident
Jacanidae	Jacana spinosa	Northern Jacana	Common	Resident
Scolopacidae	Actitis macularia	Spotted Sandpiper	Common	Resident
Columbidae	Columba nigrirostris	Short-billed Pigeon	Common	Migratory NA
	Columbina talpacoti	Ruddy Ground-Dove	Abundant	Resident
	Claravis pretiosa	Blue Ground-Dove	Common	Resident
	Leptotila verreauxi	White-tipped Dove	Common	Resident
Psittacidae	Aratinga finschi	Crimson-fronted Parakeet	Common	Resident
	Aratinga nana	Olive-throated Parakeet	Common	Resident
	Brotogeris jugularis	Orange-chinned Parakeet	Common	Resident
	Amazona autumnalis	Red-lored Parrot	Common	Resident
Cuculidae	Coccyzus americanus	Yellow-billed Cuckoo	Uncommon	Migratory NA
	Piaya cayana	Squirrel Cuckoo	Common	Resident
	Tapera naevia	Striped Cuckoo	Common	Resident
	Crotophaga sulcirostris	Groove-billed Ani	Common	Resident
Caprimulgidae	Nyctidromus albicollis	Common Pauraque	Abundant	Resident
Trochilidae	Phaethornis longuemareus	Stripe-throated Hermit	Common	Resident
	Amazilia tzacatl	Rufous-tailed Hummingbird	Common	Resident
Trogonidae	Trogon violaceus	Violaceous Trogon	Uncommon	Resident
Alcedinidae	Chloroceryle amazona	Amazon Kingfisher	Common	Resident
	Chloroceryle americana	Green Kingfisher	Common	Resident
Ramphastidae	Pteroglossus torquatus	Collared Aracari	Common	Resident
	Ramphastos swainsonii	Chestnut-mandibled Toucan	Common	Resident
Picidae	Melanerpes pucherani	Black-cheeked Woodpecker	Common	Resident
	Melanerpes hoffmannii	Hoffmann's Woodpecker	Uncommon	Resident
	Piculus simplex	Rufous-winged Woodpecker	Uncommon	Resident
Dendrocolaptidae	Dendrocolaptes sanctithomae	Northern Barred-Woodcreeper	Uncommon	Resident
	Lepidocolaptes souleyetii	Streak-headed Woodcreeper	Common	Resident
Thamnophilidae	Thamnophilus doliatus	Barred Antshrike	Common	Resident
	Myrmeciza exsul	Chestnut-backed Antbird	Common	Resident
Tyrannidae	Capsiempis flaveola	Yellow Tyrannulet	Common	Resident
	Elaenia flavogaster	Yellow-bellied Elaenia	Common	Resident
	Todirostrum cinereum	Common Tody-Flycatcher	Common	Resident
	Tolmomyias sulphurescens	Yellow-olive Flycatcher	Uncommon	Resident
	Contopus virens	Eastern Wood-Pewee	Common	Migratory NA
	Contopus cinereus	Tropical Pewee	Abundant	Resident
	Empidonax flaviventris	Yellow-bellied Flycatcher	Uncommon	Migratory NA
	Colonia colonus	Long-tailed Tyrant	Uncommon	Resident
	Myiarchus tuberculifer	Dusky-capped Flycatcher	Common	Resident
	Pitangus sulphuratus	Great Kiskadee	Abundant	Resident
	Myiozetetes similis	Social Flycatcher	Abundant	Resident
	Legatus leucophaius	Piratic Flycatcher	Abundant	Migratory NA
	Tyrannus melancholicus	Tropical Kingbird	Common	Resident
Incertae sedis	Pachyramphus cinnamomeus	Cinnamon Becard	Common	Resident
Cotingidae	Carpodectes nitidus	Snowy Cotinga	Uncommon	Resident
Pipridae	Manacus candei	White-collared Manakin	Common	Resident
Hirundinidae	Stelgidopteryx ruficollis	Southern Rough-winged Swallow	Abundant	Resident
Troglodytidae	Thryothorus nigricapillus	Bay Wren	Common	Resident
	Thryothorus modestus	Plain Wren	Common	Resident
	Troglodytes aedon	House Wren	Common	Resident
Turdidae	Hylocichla mustelina	Wood Thrush	Uncommon	Migratory NA
	Turdus grayi	Clay-colored Robin	Common	Resident
Parulidae	Vermivora peregrina	Tennessee Warbler	Common	Migratory NA
	Dendroica petechia	Yellow Warbler	Common	Migratory NA
	Dendroica pensylvanica	Chestnut-sided Warbler	Uncommon	Migratory NA
	Seiurus noveboracensis	Northern Waterthrush	Uncommon	Migratory NA
	Wilsonia citrina	Hooded Warbler	Uncommon	Migratory NA
	Phaeothlypis fulvicauda	Buff-rumped Warbler	Common	Resident
Coerebidae	Coereba flaveola	Bananaquit	Common	Resident
Thraupidae	Habia fuscicauda	Red-throated Ant-Tanager	Common	Resident
	Piranga rubra	Summer Tanager	Uncommon	Migratory NA
	Ramphocelus passerinii	Passerini´s Tanager	Abundant	Resident
	Thraupis episcopus	Blue-gray Tanager	Common	Resident
	Thraupis palmarum	Palm Tanager	Common	Resident
	Tangara larvata	Golden-hooded Tanager	Common	Resident
	Cyanerpes cyaneus	Red-legged Honeycreeper	Common	Resident
Emberizidae	Sporophila americana	Variable Seedeater	Common	Resident
	Sporophila torqueola	White-collared Seedeater	Uncommon	Resident
	Oryzoborus funereus	Thick-billed Seed-Finch	Uncommon	Resident
	Tiaris olivacea	Yellow-faced Grassquit	Common	Resident
	Arremonops conirostris	Black-striped Sparrow	Common	Resident
Cardinalidae	Saltator coerulescens	Grayish Saltator	Common	Resident
	Saltator maximus	Buff-throated Saltator	Common	Resident
	Saltator atriceps	Black-headed Saltator	Uncommon	Resident
	Pheucticus ludovicianus	Rose-breasted Grosbeak	Common	Migratory NA
Icteridae	Agelaius phoeniceus	Red-winged Blackbird	Abundant	Resident
	Quiscalus mexicanus	Great-tailed Grackle	Common	Resident
	Molothrus aeneus	Bronzed Cowbird	Common	Resident
	Icterus prosthemelas	Black-cowled Oriole	Uncommon	Resident
	Icterus galbula	Baltimore Oriole	Common	Migratory NA
	Psarocolius montezuma	Montezuma Oropendola	Abundant	Resident
Fringillidae	Euphonia luteicapilla	Yellow-crowned Euphonia	Common	Resident