Sighting of a large group of pygmy sperm whales (Kogia breviceps) and a recent record of a dwarf sperm whale (K. sima) in the Azores

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985823%3A_____%2F25%3A00642114" target="_blank" >RIV/67985823:_____/25:00642114 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/68378271:_____/25:00642114

Výsledek na webu

<a href="https://doi.org/10.1017/S0025315425100830" target="_blank" >https://doi.org/10.1017/S0025315425100830</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1017/S0025315425100830" target="_blank" >10.1017/S0025315425100830</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Sighting of a large group of pygmy sperm whales (Kogia breviceps) and a recent record of a dwarf sperm whale (K. sima) in the Azores

Popis výsledku v původním jazyce

The family Kogiidae, comprising the pygmy sperm whale (Kogia breviceps) and the dwarf sperm whale (K. sima), represents some of the least-known cetaceans worldwide. Their small size, deep-diving behaviour, and elusive surface activity result in very few live sightings, particularly in the North Atlantic Ocean. Here, we report two significant observations from the Azores in July 2025: a group of six K. breviceps, the largest reported group size of this species, and a confirmed sighting of K. sima off Pico Island representing only the sixth record for the archipelago. Photographic evidence and expert validation confirmed the identification of K. sima based on body proportions. We also review records of both species, including other live encounters and strandings, across the Macaronesian archipelagos (Azores, Madeira, Canary Islands, and Cape Verde). Together, our observations and synthesis document an exceptional group size for K. breviceps, emphasise the rarity of K. sima in the region, and highlight the value of whale-watching platforms and citizen science for monitoring elusive cetaceans.

Název v anglickém jazyce

Sighting of a large group of pygmy sperm whales (Kogia breviceps) and a recent record of a dwarf sperm whale (K. sima) in the Azores

Popis výsledku anglicky

The family Kogiidae, comprising the pygmy sperm whale (Kogia breviceps) and the dwarf sperm whale (K. sima), represents some of the least-known cetaceans worldwide. Their small size, deep-diving behaviour, and elusive surface activity result in very few live sightings, particularly in the North Atlantic Ocean. Here, we report two significant observations from the Azores in July 2025: a group of six K. breviceps, the largest reported group size of this species, and a confirmed sighting of K. sima off Pico Island representing only the sixth record for the archipelago. Photographic evidence and expert validation confirmed the identification of K. sima based on body proportions. We also review records of both species, including other live encounters and strandings, across the Macaronesian archipelagos (Azores, Madeira, Canary Islands, and Cape Verde). Together, our observations and synthesis document an exceptional group size for K. breviceps, emphasise the rarity of K. sima in the region, and highlight the value of whale-watching platforms and citizen science for monitoring elusive cetaceans.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10617 - Marine biology, freshwater biology, limnology

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2025

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

JOURNAL OF THE MARINE BIOLOGICAL ASSOCIATION OF THE UNITED KINGDOM

ISSN

0025-3154

e-ISSN

1469-7769

Svazek periodika

105

Číslo periodika v rámci svazku

Nov 18

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

6

Strana od-do

e129

Kód UT WoS článku

001616470000001

EID výsledku v databázi Scopus

2-s2.0-105022196524