Yes, there is a second year plumage for males.

As to life span, banding data has produced longevity record max of
at 8.5 years according and several at 6+ years to:
RUSSELL, S.M. 1996. Anna's Hummingbird (Calypte anna). IN The birds
of North America, No.226 (A.Poole and F.Gill,Eds.) Philadelphia:
Academy of Natural Sciences; Washington, DC: The American
Ornithologists'
Union.

Diane Bag??s wrote:
>
> Hi,
>
> Perhaps a foolish question, but . . . .
>
> Throughout the winter and ever since, I've had what I thought to be juvenile
> males coming to my feeder, with no breaks in the pattern. Is there such a
> thing as a first-year Anna's? I would have thought their life span was too
> short for that to be possible, but they had to have been coming to the
> feeder before this year's babies could have fledged.
>
> Diane Bagues
> Milwaukie, Oregon
> dbagues at teleport.com

--
Mike Patterson Alas, to wear the mantle of Galileo,
Astoria, OR it is not enough to be persecuted
celata at pacifier.com by an unkind establishment,
you must also be right.
---Robert Park
http://www.pacifier.com/~mpatters/bird/bird.html