Underwater cameraman, Jeff Hester and host, Bertie Gregory, ready to dive. (credit: National Geographic/Adam Boyle)Posted 08/19/25DolphinsUpCloseWithBertieGregory_30.jpg
Host, Bertie Gregory, is joined by a booby as he keeps a watchful eye on the water. (credit: National Geographic/Danny Copeland)Posted 08/19/25DolphinsUpCloseWithBertieGregory_18.jpg
Captain, Paulo Gaspar, steering the rib with Underwater cameraman, Jeff Hester and host, Bertie Gregory, to the next dive site. (credit: National Geographic/Adam Boyle)Posted 08/19/25DolphinsUpCloseWithBertieGregory_31.jpg
Host, Bertie Gregory, waiting for the opportunity to dive. (credit: National Geographic/Adam Boyle)Posted 08/19/25DolphinsUpCloseWithBertieGregory_27.jpg
Underwater cameraman, Jeff Hester and host, Bertie Gregory, watching shearwaters at the water’s surface, a sign of a bait ball beneath. (credit: National Geographic/Adam Boyle)Posted 08/19/25DolphinsUpCloseWithBertieGregory_33.jpg
Captain, Paulo Gaspar, steering the rib with underwater cameraman, Jeff Hester and host, Bertie Gregory, as Bertie directs the way. (credit: National Geographic/Adam Boyle)Posted 08/19/25DolphinsUpCloseWithBertieGregory_32.jpg
Underwater cameraman, Jeff Hester and host, Bertie Gregory looking out for the next dive site. (credit: National Geographic/Adam Boyle)Posted 08/19/25DolphinsUpCloseWithBertieGregory_36.jpg
Underwater cameraman, Jeff Hester and host, Bertie Gregory looking out for the next dive site. (credit: National Geographic/Adam Boyle)Posted 08/19/25DolphinsUpCloseWithBertieGregory_37.jpg
Bertie Gregory on board the boat the crew call home for the shoot. (credit: National Geographic/Jeff Hester)Posted 08/19/25DolphinsUpCloseWithBertieGregory_09.jpg
Underwater cameraman, Jeff Hester and host, Bertie Gregory looking out for the next dive site. (credit: National Geographic/Adam Boyle)Posted 08/19/25DolphinsUpCloseWithBertieGregory_35.jpg
Host, Bertie Gregory, and underwater cameraman, Jeff Hester, scanning the water, looking for signs of bait ball activity. (credit: National Geographic/Danny Copeland)Posted 08/19/25DolphinsUpCloseWithBertieGregory_21.jpg
Captain, Paulo Gaspar, steering the rib and host, Bertie Gregory, to the next dive site. (credit: National Geographic/Adam Boyle)Posted 08/19/25DolphinsUpCloseWithBertieGregory_34.jpg
Bertie Gregory on board the boat the crew call home for the shoot. (credit: National Geographic/Jeff Hester)Posted 08/19/25DolphinsUpCloseWithBertieGregory_08.jpg
Underwater cameraman, Jeff Hester, left, host Bertie Gregory, right, and crew on board the rib. (credit: National Geographic/Bertie Gregory)Posted 08/19/25DolphinsUpCloseWithBertieGregory_46.jpg
A tightly packed bait ball, with circling dolphins and shearwaters. (credit: National Geographic/Bertie Gregory)Posted 08/19/25DolphinsUpCloseWithBertieGregory_40.jpg
Bertie Gregory on board the boat the crew call home for the shoot. (credit: National Geographic/Jeff Hester)Posted 08/19/25DolphinsUpCloseWithBertieGregory_11.jpg
Host, Bertie Gregory, and his team using a kayak for a quiet approach. (credit: National Geographic/Adam Boyle)Posted 08/19/25DolphinsUpCloseWithBertieGregory_39.jpg
Bertie Gregory on board the boat the crew call home for the shoot. (credit: National Geographic/Jeff Hester)Posted 08/19/25DolphinsUpCloseWithBertieGregory_10.jpg
Bertie Gregory on board the boat the crew call home for the shoot. (credit: National Geographic/Jeff Hester)Posted 08/19/25DolphinsUpCloseWithBertieGregory_12.jpg
Bertie Gregory on board the boat the crew call home for the shoot. (credit: National Geographic/Jeff Hester)Posted 08/19/25DolphinsUpCloseWithBertieGregory_13.jpg
Host, Bertie Gregory, filming a pod of dolphins circling under a bait ball. (credit: National Geographic/Jeff Hester)Posted 08/19/25DolphinsUpCloseWithBertieGregory_07.jpg