浜辺
amor
amorous
animal
biodiversity
biological
biologie
biology
cone seal
conservation
conserve
couple
courtship
duene
dune
ecological
ecology
endotherm
endothermic
evolution
grey seal
hair
hairy
halichoerus grypus
helgoland
hirsute
kingdom
life
live
love
mammalogy
mammals
marine
meeressaeuger
national park mud flats
natural
nature
outdoor
predator
prey
sand
sea mammal
sows creatures
uk
united
vertebrata
vertebrate
warmblooded
wildlife