BCHU

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AcronymDefinition
BCHUBrant County Health Unit (Ontario, Canada)
BCHUBlack-Chinned Hummingbird (Archilochus alexandri, bird species)
References in periodicals archive ?
One morning, he stepped through the portico door and noticed a black-chinned hummingbird dangling from the side of the red plastic feeder like a stray Christmas ornament.
Across all sites flower visitation with potential or evident pollen transfer was observed by native bees (predominantly Halictidae) (265 focal individuals), honeybees (Apis mellifera) (23 focal individuals), and hummingbirds (Anna's hummingbird, Calypte anna, broad-billed hummingbird, Cynanthus latirostris, and black-chinned hummingbird, Archilochus alexandri) (37 focal individuals).
The black-chinned hummingbird (Archilochus alexandri) is the most abundant and widespread of the southwestern riparian-nesting hummingbirds (Baltosser and Russell, 2000; Wethington and Russell, 2003).
When the researchers compared the number of pollinator visits at noisy and quiet sites, they found that one bird species in particular - the black-chinned hummingbird (Archilochus alexandri) - made five times more visits to noisy sites than quiet ones.
Experiments on the color preference of the black-chinned hummingbird.
In this guide he profiles 25 birds that live in Utah such as the black-chinned hummingbird, the downy woodpecker, and the Cooper's hawk, including one color picture per species.
The Ash-throated Flycatcher Myiarchus cinerascens, the Blue-throated Hummingbird Lampornis clemenciae, the Northern-beardless Tyrannulet Camptostoma imberbe and the Black-chinned Hummingbird Archilocus alexandri were also forest birds but equally common in Ipomoea/small-leaved tree forests and other Acacia forests.
As we drift by an ocotillo tipped with heavy clusters of crimson blossoms, we watch a black-chinned hummingbird sip nectar from each flower.
Ninety-two percent of the black-chinned hummingbird nests and 94 percent of house finch nests in the two study areas were found at sites near noisy compressors.
But house finches and black-chinned hummingbirds were more common there, perhaps avoiding noise-averse predators.
In central Colorado, master bander Brenda Wiard is trapping significantly greater numbers of black-chinned hummingbirds just outside of their normal range.