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We were recently mentioned in Southern Living Magazine regarding our opinion(s) about the 10 best hummingbird feeders of 2024. We agree with the Aspects and First Nature feeders and surely recommend the Best-1 hummingbird feeders.  https://www.southernliving.com/best-hummingbird-feeders-8598173

Abstract Both frugivores and nectarivores are potentially exposed to dietary ethanol produced by fermentative yeasts which metabolize sugars. Some nectarivorous mammals exhibit a preference for low-concentration ethanol solutions compared to controls of comparable caloric content, but behavioural responses to ethanol by nectar-feeding birds are unknown. We investigated dietary preference by Anna's Hummingbirds (Calypte anna) for ethanol-enhanced sucrose solutions. Via repeated binary-choice experiments, three adult male hummingbirds were exposed to sucrose solutions containing 0%, 1% or 2% ethanol; rates of volitional nectar consumption were measured over a 3 h interval. Hummingbirds did not discriminate between 0% and 1% ethanol solutions, but...

Are your hummingbird feeders being drained at night? Great, you are indeed helping endangered species. Most of Arizona's 28 bat species eat insects, but the federally endangered Lesser long-nosed bats (Leptonycteris yerbabuenae), and the Arizona species of concern Mexican long-tongued bats (Choeronycteris mexicana), drink nectar from hummingbird feeders, and also eat pollen and fruits from plants such as the saguaro and agave. The bats migrate north from Mexico and arrive in southern Arizona as the Saguaro cactus and agave begin to bloom, traveling throughout southern Arizona and then they return south in the fall. In the fall I usually remove...

Short beaks and and big feet https://www.science.org/content/article/some-hummingbirds-are-flower-robbers-here-s-how-spot-them

From San Diego Union Tribute https://www.sandiegouniontribune.com/columnists/story/2023-05-13/column-many-asking-where-have-all-the-orioles-and-hummingbirds-gone