Colibri Conservation: How to Protect These Feathered Gems

Colibri Guide: Species, Behavior, and Habitat Explained

Introduction Colibri — commonly known as hummingbirds — are small, fast, and ecologically important birds found primarily in the Americas. This guide covers the main species groups, typical behaviors, and the habitats they depend on, plus practical tips for observing and supporting them.

Species and classification

• Family: Trochilidae
• Major groups: Emeralds, Bees, Mangoes, Hermits, Woodnymphs, Mountain-gems (common group names reflecting genera clusters)
• Diversity: About 360 described species, ranging from tiny bees (≈2 g) to larger species (≈20 g). Key representatives:
  • Ruby-throated Hummingbird (Archilochus colubris): Common in eastern North America.
  • Anna’s Hummingbird (Calypte anna): Widespread on the US West Coast.
  • Rufous Hummingbird (Selasphorus rufus): Long-distance migrant with aggressive territorial behavior.
  • Giant Hummingbird (Patagona gigas): Native to the Andes; largest species.
  • Sword-billed Hummingbird (Ensifera ensifera): Notable for an exceptionally long bill adapted to long-corolla flowers.

Physical characteristics

• Extremely small size, with rapid wingbeats (often 50–80 beats/sec).
• Iridescent plumage produced by microscopic feather structures rather than pigments.
• Long, specialized bills and extensible tongues for nectar feeding.
• High metabolic rates; must consume large amounts of nectar and insects relative to body weight.

Behavior

• Feeding: Primarily nectarivorous; supplement diet with insects and