Date: 1/9/18 5:02 pm
From: ann maddock (via carolinabirds Mailing List) <carolinabirds...>
Subject: Re: Carolina Jessamine Re: hummingbird mortality
Same here, Nate. And, those flowers are usually hold a bounty of insects
if you open and look closely.



On Tue, Jan 9, 2018 at 7:55 PM Nate Dias <carolinabirds...> wrote:

> In addition to points already mentioned, I would point out that Carolina
> Jessamine blooms here in coastal SC for most of the winter and hummingbirds
> use it! It is one of the best things to plant for winter hummingbird hosts.
>
> The flowers are very cold-hearty and don't open on colder days, waiting
> things out. I am not sure what the case will be after such a bad and
> prolonged freeze as this - but in most years Jessamine in good sunny places
> blooms November or December through February in Charleston.
>
> Many is the hummingbird I have seen in December and January with yellow
> pollen foreheads from feeding at jessamine flowers.
>
> Nathan Dias - Charleston, SC
>
> On Tuesday, January 9, 2018, ann maddock <carolinabirds...> wrote:
>
>> I’ll weigh in with a few points:
>>
>> First, a hummingbird’s diet consists of at least 50% of insects, and,
>> according to research done in other parts of the country, the longest a
>> hummingbird can subsist on sugar water alone is 10-14 days. They must have
>> the protein from ingesting insects.
>>
>> I have lived either in Buxton or Frisco on Hatteras Island for almost 30
>> years. LONG before I or anyone else on the island followed the advice of
>> the experts to keep the feeders out all winter, there were MANY ruby
>> throated hummers in this maritime forest ALL winter long. Bob Sargent
>> realized that and visited here in the late 80s and early 90s to band some
>> and write about it in one of his books. I would see them and hear them all
>> throughout the sedge and forest, and remember seeing them covered in pollen
>> in a January and February from some of the native plants in the sedge. They
>> use the sap holes and insects from the yellow bellied sapsuckers in the
>> bay trees as a source of nutrients when it is really cold.
>>
>> So, they were here, and in strong numbers before the trend of keeping
>> feeders out for them became popular. And even when neighbors take their
>> feeders down, the birds find plenty of insects and don’t visit my feeders
>> as I can account for individual birds, with photos as proof, and
>> documentation, for each of the past 10 winters.
>>
>> So, between the fact this species was over-wintering here for at least
>> the past 30 years, and the fact their diet must be half insects, and this
>> location is warmer than most of the coast all the way into Georgia, and is
>> a prime environment for such a bird, I don’t believe the year round feeders
>> here are causing birds to not migrate . I believe what they are doing is
>> helping those that would be here anyway have a better chance at survival.
>>
>> I will let the experts like Susan Campbell speak to the research behind
>> this issue.
>>
>>
>>
>> On Tue, Jan 9, 2018 at 6:32 PM Kent Fiala <carolinabirds...> wrote:
>>
>>> There's this thing called natural selection. It seems likely that
>>> numbers of overwintering hummingbirds have been on the increase because it
>>> is proving to contribute to the fitness of the birds, giving them an
>>> advantage.
>>>
>>> Hill, Sargent and Sargent took a scholarly look at the change in winter
>>> distribution of rufous hummingbirds about 20 years ago:
>>> https://urldefense.proofpoint.com/v2/url?u=https-3A__sora.unm.edu_node_25903&d=DwIFaQ&c=imBPVzF25OnBgGmVOlcsiEgHoG1i6YHLR0Sj_gZ4adc&r=ymRCw6Q-sBitug_rdeO1Tokz-I_SX2LQN2_Ocvlal9U&m=Vig3voFbQAfo-ILlBJSFKq1LvuLSaps9y45uDm6jFuA&s=FHl9G19aTqCIFrjEHwaJC-xEjQIQSV8yFvVNJfspwSs&e=
>>>
>>>
>>> Kent Fiala
>>>
>>> On 1/9/2018 5:23 PM, "J. Merrill Lynch" (via carolinabirds Mailing List)
>>> wrote:
>>> > Reading these accounts leads me to say—reluctantly since I may touch a
>>> raw nerve with some folks —but has anyone considered whether it is really a
>>> good idea to leave hummingbird feeders up all winter?
>>> >
>>> >
>>>
>>>
>>> --
>> Ann Maddock <am.hummingbird.photos...> Hatteras Island, NC
>>
> --
Ann Maddock <am.hummingbird.photos...> Hatteras Island, NC

 
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