Thick-billed Kingbird

Tyrannus crassirostris


Derek Hameister
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eBird Checklist S80053485
Laguna Niguel Regional Park
Orange, California, United States
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Latitude and Longitude 33.5494, -117.7098 Map

Not specified
Not specified

Media notes

Observation details

Continuing bird seen flycatching and vocalizing mostly in and around the eucs surrounding shelter 10. The bird was also seen on some of the dead snags just across the small road that heads up from Salt Creek Trail. Loud and distinctive call vocalizations made this bird easy to locate. This bird appeared to be a Very skilled hunter, as it was seen eating many Insects, mostly bees. This was an overall very large flycatcher somewhat similar to our expected Tyrannus species. The bird featured a dark gray cap, a very thick black eye-line, starkly contrasting white chin, and, as the name suggests, very heavy and thick bill. The upper breast was mostly white, fading to a light yellow by the upper breast, and brighter yellow by the belly and flanks. The back and tail was an overall medium brown color, with flight feathers showing lighter brown edging. In-flight, it could be seen that the underwing and undertail were a similar but slightly lighter yellow than that of the belly. For the majority of my observation, this bird gave fairly sporadic and infrequent scratchy “tswee-errr!” vocalizations. These vocalizations were often preceded by flight. However, closer to dusk, there was a approximately 3-5 minute period where bird vocalized much more frequently before going silent and assumedly roosting.

Technical Information

Lens model
FE 200-600mm F5.6-6.3 G OSS
Focal length
600 mm
Shutter speed
1/1250 sec
Flash did not fire
Original file size
4706 x 3318

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