Hornet Robberfly

1. International Union for Conservation of Nature (IUCN) Red List of Threatened Species: Asilus crabroniformis (Hornet Robberfly).2. Stubbs, A.E. & Drake, M., British Soldierflies and Their Allies (British Entomological and Natural History Society).3. Buglife...

Common Hazel

1. International Union for Conservation of Nature (IUCN) Red List of Threatened Species: Corylus avellana (Common Hazel).2. Enescu, C.M. et al., Corylus avellana in Europe: distribution, habitat, usage and threats (European Atlas of Forest Tree Species).3. Rackham,...

Silver Birch

1. International Union for Conservation of Nature (IUCN) Red List of Threatened Species: Betula pendula (Silver Birch).2. Beck, P. et al., Betula pendula and Betula pubescens in Europe: distribution, habitat, usage and threats (European Atlas of Forest Tree...

Viperine Snake

1. International Union for Conservation of Nature (IUCN) Red List of Threatened Species: Natrix maura (Viperine Snake).2. Santos, X. et al., Water snake (Natrix maura) ecology and conservation in Mediterranean wetlands (Copeia / Amphibia-Reptilia).3. Speybroeck, J. et...

Viviparous Lizard

1. International Union for Conservation of Nature (IUCN) Red List of Threatened Species: Zootoca vivipara (Viviparous Lizard).2. Surget-Groba, Y. et al., Multiple origins of viviparity in the lizard Zootoca vivipara (Evolution).3. Arnold, E.N. & Ovenden, D.W.,...