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Size, Weight, and other Physical Characteristics
- Why are they called hummingbirds?
- How big are these hummers?
- How much do hummers weigh?
- Why are females larger than males?
- What do hummingbirds sound like?
- Why do hummers have such brilliant iridescent throat feathers?
- What causes a hummer's colors to have a metallic sheen?
- Why are some hummers all or partly white?
- What do hummers look like when they're flying?
- What is unusual about a hummingbird's flying?
- How can hummingbirds hover in one place?
- How does hovering help a hummingbird?
- How fast do hummers fly?
- How are ruby-throats and rufous hummers different from and similar to other hummingbirds?
Habitat and Range
- What is the breeding range of the ruby-throated hummingbird?
- What is the breeding range of the rufous hummingbird?
- What is the ruby-throated hummingbird's habitat?
- What is the rufous hummingbird's habitat?
Niche
Food
- What do hummingbirds eat?
- How much do hummingbirds eat?
- What happens if a hummer doesn't have enough food?
- How long does it take for a hummer to come back from torpor to an active state?
- Will keeping feeders up prevent hummingbirds from migrating on time?
- How do scientists learn where the hummingbirds from one state or province migrate for the winter?
- How do we participate in the Journey North Hummingbird Migration Study?
- What makes hummingbirds migrate?
- Which returns first: males or females?
- Do hummingbirds migrate on the backs of geese?
Behavioral Adaptations: Migration
- What do hummingbirds eat when getting ready for their migration?
- Do hummingbirds travel together when they migrate?
- What might be some advantages for hummingbirds to migrate alone?
- Where do hummers spend the winter?
- Do hummingbirds migrate by day or night?
- When do hummers leave their wintering grounds?
- How do hummers prepare for the journey north?
- How long does migration take?
- When do the hummingbirds arrive on their breeding grounds?
- What do the hummingbirds do first upon arrival back on their territories in the spring?
- What are some of the hazards that hummingbirds face on their long migrations?
- What is the hummingbird's population status?
- What are the biggest dangers facing hummingbirds?
- How can I help hummingbirds get ready for their migratory journey?
- What's the best kind of feeder and sugar water for backyard hummers?
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