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Ruby-throated Hummingbird - Phenophase Definitions

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Ruby-throated Hummingbird (Archilochus colubris)

Ruby-Throated Hummingbird at Cardinal Flower

Image source: Bill Buchanan, U.S. Fish and Wildlife Service

Directions: As you report on phenophase status (Y, N or ?) on the datasheets, refer to the definitions on this sheet to find out what you should look for, for each phenophase in each species. To report the intensity of the phenophase, choose the best answer to the question below the phenophase, if one is included.

Activity

Active individuals

One or more individuals are seen moving about or at rest.

Ruby-throated hummingbird at feeder

Ruby-throated hummingbird at feeder. Alfred Viola, Northeastern University, Bugwood.org

Feeding

One or more individuals are seen feeding. If possible, record the name of the species or substance being eaten or describe it in the comments field.

Insect consumption

One or more individuals are seen eating insects. If possible, record the name of the insect or describe it in the comments field.

Flower visitation

One or more individuals are seen visiting flowers or flying from flower to flower. If possible, record the name of the plant or describe it in the comments field.

Calls or song

One or more individuals are heard calling or singing. Listen to the calls of the Ruby-throated hummingbird.

Singing males

One or more singing males are heard. Singing refers to stereotypical, simple or elaborate vocalizations used as part of a territorial proclamation or defense or mate attraction. It does not include relatively simple calls used for other forms of communication.

hummingbird nest

Dave Powell, USDA Forest Service, Bugwood.org

Reproduction

Mating

A male and female are seen coupled in a mating position, usually with the male on top of the female.

Nest building

One or more adults are seen constructing a nest or carrying nesting material.

Development

Dead individuals

One or more dead individuals are seen, including those found on roads.

Method

Individuals at a feeding station

One or more individuals are seen visiting a feeder, feeding station, or food placed by a person.


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