Andorra (French post)
Date of Issue: 11th May 2024
one stamp (1.96 €)
1. Brown trout (Salmo trutta) - IUCN Red list - Wikipedia article
2. Rainbow trout (Oncorhynchus mykiss) - Wikipedia article
2.
Andorra (French post)
Date of Issue: 11th May 2024
one stamp (1.96 €)
1. Brown trout (Salmo trutta) - IUCN Red list - Wikipedia article
2. Rainbow trout (Oncorhynchus mykiss) - Wikipedia article
2.
Estonia
Date of Issue: 9th of May 2024
two stamps (2x 2.60 €)
1.1 Zander (Sander lucioperca) - IUCN Red list - Wikipedia article
1.2 Curly-leaf pondweed (Potamogeton crispus) - IUCN Red list - Wikipedia article
2.1 European flounder (Platichthys flesus) - IUCN Red list - Wikipedia article
2.2 Bladderwrack (Fucus vesiculosus) - Wikipedia article
Serbia
Date of Issue: 8th May 2024
two stamps (48.- & 120.- RSD)
1. White Waterlily (Nymphaea alba) - IUCN Red list - Wikipedia article
2. European pond turtle (Emys orbicularis) - IUCN Red list - Wikipedia article
Malta
Date of Issue: 9th May 2024
two stamps (1.50 & 2.- €)
the 1.50 € value stamp is also issued in a booklet of 5 stamps + 1 vignette
1. Sea Star (Hacelia attenuata) - Wikipedia article
2. Common Octopus (Octopus vulgaris) - IUCN Red list - Wikipedia article
both stamps are also issued in a souvenir-sheet of 2 stamps (1.20 & 1.36 GBP)
both Europa stamps are issued in mini-sheets of 10 stamps1. Yellow Cluster Anemone (Parazoanthus axinellae) - IUCN Red list - Wikipedia article
2. Sea Fan (Eunicella verrucosa) - IUCN Red list - Wikipedia article
the Netherlands
Date of Issue: 13th May 2024
one stamp (International 1 value = 1.75 €)
this stamp is issued in a mini-sheet of 6 stamps
European bitterling (Rhodeus amarus) - IUCN Red list - Wikipedia article
Cyprus (Turkish post)
Date of Issue: 6th May 2024
two stamps (2x 17.- TRY)
both stamps are also issued in a mini-sheet of 8 stamps (4 of each) tête-bêche
Croatia
Date of Issue: 9th May 2024
two stamps (2x 2.20 €)
Latvia
Date of Issue: 26th April 2024
two stamps (1.63 & 1.82 €)
both stamps are issued in mini-sheets of 10 stamps tête-bêche
Lithuania
Date of Issue: 26th April 2024
two stamps (2x 1.70 €)
this stamp is issued a mini-sheet of 10 stamps