Some cool stuff from the Tube of You:
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Mike:How does that happen? I've seen two hummers that can't even share a 4-flower feeder!
The USGS site lists, I think, 8 - 10 species that have been known to migrate through and nest in LA. I'll have to find that link for you later.I think you get two species of hummingbirds down in LA, Christopher, the ruby throated ones we have up north, and the rufous species. Do you see both?
Do you color the mixture? Around here they sell a mixture that is red in color.
Extra sugar is not the issue. DON'T use artificial sweetners. That will kill them.
Don
That's going to depend on different factors like if your feeder is in the sun all day or if it's in the shade all day and what the temperatures are. This is a chart I found online that can be used as a suggested guideline:
Temperature / # of days before change
70 / 7 days
71-75 / 6 days
76-80 / 5 days
81-84 / 4 days
85-88 / 3 days
89-92 / 2 days
93+ / daily
I can't say that I've followed those guidelines. My feeder is in the shade all day. I've changed the nectar weekly regardless of the temperature and I haven't seen any issues yet. (i.e. cloudy nectar, mold, hummers not feeding regularly, etc. ) I'm pretty certain if my feeder was in the sun, I'd probably have to change the nectar more frequently.
How does that happen? I've seen two hummers that can't even share a 4-flower feeder!
Bob:I think you get two species of hummingbirds down in LA, Christopher, the ruby throated ones we have up north, and the rufous species. Do you see both?
Ruby-throated, Rufous, Black-chinned, Buff-bellied, Allen's, Broad-tailed, Anna's, Calliope, Blue-throated, Broad-billed, Green Violet-ear, Magnificent, Green-breasted Mango.
According to Hummingbirds.net, the following species are known to migrate through and nest in Louisiana:
Ruby-throated, Rufous, Black-chinned, Buff-bellied, Allen's, Broad-tailed, Anna's, Calliope, Blue-throated, Broad-billed, Green Violet-ear, Magnificent, Green-breasted Mango.