UK migrants (mainly moths).

[Eric or Pat Metzler]

I think Andrew has it correct.  A migration implies travel to and return
from.  The other kind, where they just travel (even it repeats year
after year), is a dispersal - albiet commonly called migration.

Andrew Daw wrote:
> 
> >
> > On 27 Jul 1998 10:03:37 -0700, lday at iquest.net (Liz Day) wrote:
> >
> > >Wait a second - *moths* migrate?  Do they migrate, or just drift around?
> >
> > Hi Liz
> >
> > They migrate - in fact they migrate just as far as butterflies like
> > the Monarch (in the US) or Painted Lady (in the UK).
> <snip>
> > Chris R.
> >
> >
> 
> In fact I was watching a program on BBC2 last night about the Bogong Moth
> in Australia which does an annual migration similar to the Monarch.
> To summarise: It spends the larva stage munching on crops in the relatively
> cooler winter months.  Then as spring comes in it metamorphasises into the
> adult moth and migrates into the mountains where it spends the scorching
> summers resting (in their 1000's) in the caves there.
> After the summer they migrate back again, mate lay eggs and die.
> 
> --
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> * Andrew Daw                   email:  andrewd at redac.co.uk        *
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