Hummingbirds

Hummingbirds at a glance

Need to know

• Hummingbirds are the only birds that can hover in place and fly backward.
• The Bee Hummingbird is the world’s smallest bird, measuring just 5-6 cm long.
• They beat their wings up to 80 times per second during flight.
• Most species have vivid iridescent plumage due to microscopic feather structures.
• Many hummingbirds migrate incredible distances, such as crossing the Gulf of Mexico in a single flight.
• Males perform elaborate courtship displays with sounds and aerial dives.

About the Hummingbirds

Hummingbirds (family Trochilidae) are a remarkable group of birds native exclusively to the Americas, famed for their ability to hover and maneuver with unparalleled agility. With their small bodies, rapid wingbeats, and dazzling iridescent feathers, hummingbirds stand among nature’s most specialized and charismatic fliers. They extract high-energy nectar from flowers using specially adapted bills, acting as vital pollinators throughout their range.

With more than 360 recognized species, hummingbirds inhabit diverse environments from arid mountains to tropical rainforests. Their size ranges from the minute Bee Hummingbird of Cuba to the larger patagona or Giant Hummingbird in the Andes. Their energetic metabolism and migration feats, combined with complex courtship rituals, make hummingbirds a subject of continual fascination and scientific study.

Physical characteristics

Size: 5–21 cm (2–8.3 in) in length. Weight: 2–20 g (0.07–0.70 oz). Lifespan: Averages 3–5 years in the wild, up to 12 years recorded.

• Tiny size and extremely lightweight bodies
• Unique hovering and backward flight ability
• Brightly iridescent feathers (often green, blue, red, or violet)
• Long, slender bills of varying shapes adapted to flowers
• Rapid wingbeats (up to 80 beats per second)

Notable species

• Ruby-throated Hummingbird (Archilochus colubris) — Least Concern. Open woodlands, gardens, forest edges Regions: Eastern North America, Central America, Gulf Coast, Yucatán Peninsula.
• Anna’s Hummingbird (Calypte anna) — Least Concern. Urban parks, coastal scrub, gardens Regions: Pacific Coast of North America, Baja California, Southwestern Canada, Western United States.
• Bee Hummingbird (Mellisuga helenae) — Near Threatened. Dense forests, woodland edges, gardens Regions: Cuba, Isle of Youth.
• Violet-crowned Hummingbird (Amazilia violiceps) — Least Concern. Riparian woodlands, canyons, semi-arid areas Regions: Southwestern United States, Mexico, Central Highlands.
• Sword-billed Hummingbird (Ensifera ensifera) — Least Concern. High-altitude cloud forests Regions: Andes of Colombia, Ecuador, Peru, Bolivia, Far northern Argentina.
• Black Jacobin (Florisuga fusca) — Least Concern. Forest edges, coastal lowlands, gardens Regions: Atlantic Forest, Southeastern Brazil, Eastern Paraguay, Northeastern Argentina.

Habitat and range

Original range: Evolved in South America, particularly in the Andes, before radiating throughout the Americas.

Current distribution: Now distributed from Alaska to Tierra del Fuego, but most diverse in Central and South America, especially the Andes.

Preferred environments: Mountain cloud forests, Tropical rainforests, Open woodlands, Deserts, Gardens and urban spaces

Regions: Alaska, Canada, United States, Mexico, Central America, Caribbean Islands, South America, Andes, Amazon Basin

Where to see Hummingbirds

• Ecuadorian Andes (e.g., Bellavista Cloud Forest Reserve) — Year-round. High hummingbird diversity and easy viewing at feeders.
• Southeastern United States (for Ruby-throated Hummingbird) — Late spring to early autumn. Visit gardens with nectar-rich flowers or set up feeders.
• Costa Rica (Monteverde Cloud Forest) — December to April. Numerous species observed near flowers and hummingbird gardens.

Behavior and diet

Diet: Mainly flower nectar; also eats small insects and spiders for protein.

Social structure: Generally solitary and territorial, especially around food sources. No pair bonds after mating.

Communication: Use high-pitched chips, chatters, and complex dives or aerial displays during courtship. Some produce sounds with wingbeats or tail feathers.

• Hover-feeding: Uniquely able to hover motionless in front of flowers.
• Long-distance migration: Some species travel thousands of kilometers seasonally.
• Courtship dives: Males perform dramatic display flights and dives with trills and buzzes.
• Aggressive territoriality: Defend nectar sources against rivals vigorously.

Interactions with other animals

• Bees/Wasps (competitive): Compete for access to nectar-rich flowers.
• Spiders (prey): Catch tiny spiders for protein, and occasionally risk becoming entangled in spider webs.
• Hawk moths (competitive): Compete for nectar, sometimes mistaken for hummingbirds due to similar size and flying style.
• Flowering plants (various) (mutualistic): Pollinate flowers while feeding, aiding plant reproduction.

Conservation

IUCN Red List status: Most species Least Concern, but several species are Near Threatened or Endangered

Threats

• Habitat loss due to deforestation and land conversion
• Pesticide use impacting insects and plant diversity
• Climate change affecting bloom times and migration
• Collisions with windows and man-made structures

Conservation efforts

• Protection of key habitats and cloud forest preserves
• Conservation gardening and planting of native flowers
• Research on migratory patterns and climate effects
• Community education and bird-friendly landscaping

How to help

• Plant native, nectar-rich flowers and avoid pesticides
• Set up hummingbird feeders with safe (no red dye) sugar water
• Support conservation organizations protecting key habitats
• Promote bird-friendly building practices (window decals, reduced glass)

Hummingbirds facts for kids

Hummingbirds are tiny birds found only in the Americas. They're famous for zooming around with wings so fast you can barely see them, and for their sparkling, rainbow feathers. They sip sweet flower nectar using their long, skinny beaks.

• A hummingbird's heart beats over 1,200 times a minute!
• They can fly backwards and even upside-down.
• Some hummingbirds are no bigger than a bumblebee.
• Hummingbirds love bright colors like red and orange.
• They can drink nectar from hundreds of flowers every day.

Did you know? Did you know some hummingbirds migrate across the Gulf of Mexico—over 800 kilometers—without stopping even once?

Watch & learn

• Super Hummingbirds – The Astonishing Life of the Trochilidae Family — PBS Nature. Explore the unbelievable agility and adaptations of hummingbirds (family Trochilidae) through stunning slow-motion footage and detailed storytelling. This documentary delves into their feeding, flight, and courtship behaviors, providing scientific insight and rare visuals.
• Hummingbirds: Jewelled Acrobats of the Americas — Smithsonian Channel. Witness the dazzling diversity and acrobatic skills of hummingbirds, examining their unique role in ecosystems and their spectacular pollination behaviors. The documentary covers several species within the Trochilidae family and utilizes breathtaking cinematography.
• Hummingbirds: Nature’s Tiny Miracle Birds — BBC Earth. This feature dives into the lives of hummingbirds (order Apodiformes), showcasing spectacular visuals of their feeding and nesting habits. It demonstrates how their specialized physiology enables extraordinary aerial feats and energy efficiency.
• The Secret Lives of Hummingbirds: Feeding and Flight — National Geographic Wild. From incredible slow-motion captures to in-depth analysis of nectar-gathering, National Geographic Wild presents the latest discoveries about these tiny but mighty birds, emphasizing their evolutionary innovations and ecological significance.
• Hummingbirds In the Spotlight: Survival Strategies in the Wild — Nature on PBS. Uncover the survival strategies of different hummingbird species and the environmental challenges they face, backed by high-definition close-ups of their interactions, feeding, and migration.