Balaenopteridae 1 Baleen whales 1 Central America 1 Cetacea 1 Conservation 1 Delphinidae 1 Eschrichtiidae 1 Eschrichtius robustus 1 Guatemala [Central America] 1 Human impact 1 Kogiidae 1 Megaptera 1 Megaptera novaeangliae 1 Mesoplodon densirostris 1 Mysticeti 1 Odontoceti Pacific Ocean 1 Peponocephala 1 Peponocephala electra 1 Stenella (Cetacea) 1 Stenella coeruleoalba 1 Stranding 1 Toothed whales 1 Tursiops 1 Tursiops truncatus 1 Ziphiidae 1 anthropogenic effect 1 dolphin 1 research work 1 species conservation 1