Rod Williams / Yellow-banded Poison Dart Frog (Dendrobates leucomelas) sitting on colourful variegated leaves. Captive, found in Brazil, Guyana, Venezuela
01387272
Roland Seitre / Lehmann's Poison Frog (Oophaga lehmanni), captive. Critically endangered. Biopark reserve, Cota, Bogota, Colombia, January 2010.
01336017
Ernie Janes / Flood warning sign beside road crossing flooded Old Bedford River, Norfolk, Winter
01297419
Paul Harcourt Davies / Italian Shield / Harlequin Bug (Graphosoma italicum) mating pair. The red striping is a warning colour of foul taste. Italy, Europe.
01205006
GEORGETTE DOUWMA / Giant cuttlefish (Sepia apama) male warning off another male by pulsing dark stripes across its body. Spencer Gulf, Whyalla, South Australia
01158035
Barry Mansell / Gila monster (Heloderma suspectum) hissing in defense, Arizona, USA.
01154924
Adrian Davies / Sign warning of toxic Algal bloom, Slapton Ley NNR National Nature Reserve, Devon, England, 2006. Note green water colour.
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Adrian Davies / Sign warning of toxic Algal bloom, Slapton Ley NNR National Nature Reserve, Devon, England, 2006. Note - Green water colour.
Constantinos Petrinos / Pacific blue ring octopus {Octopus maculosa / lunulata} note enlarged blue rings of agitated animal; toxic species. Lembeh, Sulawesi, Indonesia. Colour change Sequence.
01099443
Constantinos Petrinos / Pacific blue ring octopus {Octopus maculosa / lunulata} has blue rings that enlarge when agitated; toxic species. Sulawesi, Indonesia. Colour change Sequence.