PROJECT ILLUSTRATIONS :
port-1338851.jpg by frederic raux from Pixabay.com
pexels-panumas-nikhomkhai-1148820.jpg by panumas nikhomkhai from Pexels
Photo by Brett Sayles from Pexels
pexels-william-fortunato-6140678.jpg by William Fortunato from Pexels
dolphins-918752_640.jpg by Free-Photos from Pixabay.com
pexels-elianne-dipp-4666753.jpg by Elianne Dipp from Pexels
pexels-jeremy-bishop-2397610.jpg & pexels-jeremy-bishop-2422915.jpg by Jeremy Bishop from Pexels
pexels-daniel-torobekov-5901263.jpg by Daniel Torobekov from Pexels
pexels-ben-phillips-4781938.jpg by Ben Phillips from Pexels
pexels-william-fortunato-6140678 by William Fortunato from Pexels
pexels-berend-de-kort-1452701 by Berend De Kort from Pexel
Phare_du_petit_Minou by Marc Schmittbuhl from Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Phare_du_petit_Minou.jpg), license CC-BT-SA 4.0
File:Petit Minou Lighthouse (50690883288).jpg from Wikimedia Commons, licence CC-BY 2.0 by Shadowgate https://www.flickr.com/people/79586279@N00
File:Petit Minou Lighthouse (50691630801).jpg from Wikimedia Commons, licence CC-BY 2.0 by Shadowgate https://www.flickr.com/people/79586279@N00



ONTOLOGY ILLUSTRATIONS :
Balaenoptera_edeni.jpg , Eschrichtius_robustus_NOAA.jpg , Eubalaena_glacialis_NOAA.jpg , Hyperoodon.jpg , Orcinus_orca_NOAA_2.jpg , Megaptera_novaeangliae_NOAA.jpg, Balaenoptera_borealis.jpg, Balaenoptera_musculus_NOAA.jpg, Balaena_mysticetus_NOAA.jpg, Balaenoptera_acutorostrata_NOAA.jpg, Caperea_marginata_3_flipped.jpg,  by « Cetaceans of the Channel Islands National Marine Sanctuary from "National Oceanic and Atmospheric Administration" of the United States. National Marine Fisheries Service. ». Public Domain.
Rorcual_de_Bryde.jpg, Rorcual_comun_(Balaenoptera_physalus)_flipped.jpg, Rorcual_austral_3_flipped.jpg, Eubalaena_australis3_flipped.jpg, Physeter_macrocephalus_NOAA.jpg from Lycaon.cl from wikimedia https://commons.wikimedia.org/wiki/User:Lycaon.cl . Creative Commons Attribution-Share Alike 3.0 Unported 

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"Exo 2" by Natanael Gama, released under the Open Font License.