Alder Flycatcher - Photo Copyright Ward Cameron 2003 - Click to view a larger image Alder Flycatcher - Photo Copyright Ward Cameron 2003 - Click to view a larger image Alder Flycatcher - Photo Copyright Ward Cameron 2003 - Click to view a larger image Alder Flycatcher - Photo Copyright Ward Cameron 2003 - Click to view a larger image  
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Alder Flycatcher
Empidonax alnorum

Flycatchers
Flycatcher Family (Tyrannidae)

Size: Length: 14 cm (5.5 in) Wingspan: 20-23 cm (8-9 in)

Description: Once known as Traill's flycatcher, the species was split into two, the alder and the willow. The alder flycatcher is the more northern of the two. Look for an olive-green to gray flycatcher with a light patch under the throat and a light belly. There may be two wing bars visible.

Similar Species: The willow flycatcher is visually identical to the alder flycatcher. The only way to differentiate them in the field is through their song. The alder's call is more buzzing, "phee-be" while the willow flycatcher is more musical "fee-bee-o" or a single note "fritz".

Range: The range is the easiest way to distinguish the alder from the willow flycatcher. The alder is the northern variety, occurring within Canada in the western portion of its range. It is only found in the Canadian Rockies, becoming less common towards the U.S border.

Habitat: The alder flycatcher prefers wet locales, bogs, marshes, streams and lakes, all places where insects thrive.

Diet: They catch insects on the wing. Often leaving a favourite perch to catch a few insects, and then returning to the same spot.

Nesting: The nest is a small cup made of plant fibres, grass, shredded bark or plant stems, plant cotton and other fluff. It is well lined with soft materials, and the female lays 3-4 white to buff lightly marked (often unmarked) eggs. Incubation lasts 12 days after which the altricial nestlings hatch. They will be tended by both parents until they fledge at 13-16 days.

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All Material Ward Cameron 2005

 

 

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