RFI Kestrel longevity - and mobile phone towers

Kestrels have nested on or near a local church tower (in
Sandringham) for most of the last 25 years.  They've gone (and
were the only surviving local birds - another pair had nested on
the Beaumaris cliffs before 1994).

Question(s): 

- could the same individual birds have been nesting for all 
those years (how long do kestrels live)?  

- is there any reasoned argument that the recent installation of
cell phone antennae (disguised as crosses to remind some that
their guilt is forgiven) have affected the kestrels which
perched on them quite often (eg. thermal effects,
electromagnetic resonance..).

Michael Norris
Bayside Friends of Native Wildlife
Birding-Aus is on the Web at
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