The Foxer

The following collage has a hidden theme. What is it?

(The coloured squares aren't clues)

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SOLUTIONS

Last week's geofoxer theme: amphibians (defoxed by AFKAMC)

a. Charing Cross Street, St. Helier, by the toad statue (Gusdownnup)
b. Suncorp Stadium, Brisbane, home of the Cane Toads (mrpier, phlebas)
c. The salamander-adorned Pont Alexandre III, Paris (Gothnak)
d. Kermit Weeks' Fantasy of Flight museum, Polk City, Florida (AFKAMC)
e. Toad Rock, Rajasthan (AbyssUK)
f. Site of HMS Newt, Newhaven (Gothnak, Numptydumpty)
g. FROG-7 in Hämeenlinna Artillery Museum (AbyssUK, AFKAMC)
h. Tour Salamandre, Beaumont (phlebas, Gothnak)
i. Náměstí Míru, Prague, next to Karel Čapek memorial (Gusdownnup)
j. Fountain of the Frogs, Albacete (Gothnak)
k. Amphibious assault ship, Toulon (mrpier)
l. Tadpole Bridge, Oxfordshire (Gothnak)