Costa Rica Species
Spizaetus tyrannus
AnimaliaHighest rank in taxonomy. Groups all life into domains: Animalia, Plantae, Fungi, etc.IUCN LCInternational Union for Conservation of Nature — the world authority on species extinction risk, using standardized criteria. — Least Concern — widespread and abundant; not at immediate risk of extinction.ApprovedCurrent stage of this record in the editorial review workflow. Recent Sighting

Spizaetus tyrannus

Black Hawk-Eagle

Wied, 1820

Detailed Texts Multi-lang
Large bird of prey, characterized by its intense black plumage, a prominent crest, and a long tail with light bands.

Added by

Anonymous Curator

Reviewed by

Julia Trouin

Last modified by

Julia Trouin

TaxonomyBiological classification ranks placing this species within the tree of life, from Kingdom down to Genus.

PhylumRank below Kingdom. Groups organisms sharing a fundamental body plan (e.g., Chordata = vertebrates and some invertebrates).Chordata
ClassRank below Phylum. Subdivides by structural traits (e.g., Mammalia, Aves, Reptilia, Insecta).Aves
OrderRank below Class. Groups related families sharing common ancestry (e.g., Carnivora, Primates).Accipitriformes
FamilyRank below Order. Groups closely related genera (e.g., Felidae = cats, Canidae = dogs).Accipitridae
GenusRank just above Species. The first word in the two-part binomial scientific name.Spizaetus
Taxonomic AuthorityThe scientist who first formally described and published this species, followed by the year of publication.Wied, 1820
Record Completeness
93%
Coming soon

Ecology & StatusHow this species lives: habitat preferences, diet, behavior, population status, and role in its ecosystem.

OriginWhether the species is native (evolved here), endemic (found only here), or introduced by human activity.

Native

Population TrendDirection of change in population size over time: increasing, stable, decreasing, or unknown.

Decreasing

Breeding SeasonTime of year when this species typically reproduces or flowers.

Spring

Trophic RolePosition in the food chain: producer, herbivore, carnivore, omnivore, decomposer, or parasite.

Carnivore

Recent SightingsWhether this species has been observed in the wild in Costa Rica within recent years.

Yes

Habitat SummaryOverview of the specific ecosystems and environments where this species is found in Costa Rica. Multi-lang

Inhabits primarily humid tropical forests and dense woodlands, frequently near rivers.

BehaviourDaily activity patterns, movement, territory use, foraging style, and seasonal behavioral changes. Multi-lang

Solitary bird or in pairs that actively patrols its forest territory.

Social ActivitySocial structure: whether the species is solitary, paired, or colonial; hierarchy and communication. Multi-lang

Territorial and generally unsociable outside the breeding season.

Feeding GuildWhat the species eats, how it forages or hunts, and its role as a consumer in the food web. Multi-lang

Active hunter that alternates flying over the canopy with periods of static stalking.

Trophic Chain DetailsSpecific interactions in local food webs: prey species, predators, competitors, and scavengers. Multi-lang

Strict carnivore: its diet includes birds, mammals, and reptiles.

Reproductive BehaviourMating strategies, courtship displays, nesting or spawning behavior, and parental care. Multi-lang

Nesting in tall trees; parents demonstrate strong parental care.

Physical Measures

Length (cm)

58.0 - 70.0 cm

Weight (Grams)

700 g - 1.10 kg

Offspring per cycleTypical number of young (live births, eggs, or seeds) produced by one adult in a single reproductive event or breeding season.1 - 1
Sexual DimorphismObservable physical differences between males and females of the same species (e.g., size, coloration, features).No

Lifespan

Sexual MaturityAge at which the individual becomes capable of reproducing for the first time.

2 - 3 Years

Gestation / IncubationDuration from fertilization to birth (mammals) or to hatching (egg-laying species).

42 - 45

Lifespan EstimatedExpected duration of life from birth to natural death under wild conditions.
Males--
Females--

Evolutionary AdaptationsInherited traits and behaviors that improve the species' survival and reproduction in its specific environment. Multi-lang

Adapted for hunting in the forest canopy through surprise attacks from elevated perches.

Main ThreatsDocumented pressures reducing the population: habitat loss, hunting, disease, climate change, and invasive species. Multi-lang

Vulnerable to habitat loss and fragmentation of the tropical forests where it resides.

Interesting FactsSurprising or notable facts that highlight what makes this species unique or ecologically important. Multi-lang

It is an agile hunter that can capture birds of considerable size and small arboreal mammals.