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Push-ups for Defense

Push-ups for Defense

Marty’s photo of the day #4999: San Cristobal lava lizard males defend their territories by performing rapid push-ups to warn their rivals. If their displays fail, they will engage in physical combat. And despite what Annie Savoy said to Nuke Laloosh in the movie Bull Durham, the lava lizards of the Galapagos Islands cannot breathe […]

Darwin’s Finches

Darwin’s Finches

Marty’s photo of the day #4997: On the Galapagos Islands, Darwin’s finches (more closely related to tanagers than true finches) are special because they helped Charles Darwin formulate his theory of evolution by natural selection. There are 13 to 18 recognized species (depending on who’s counting) on the islands, with the key differences being the […]

Oodles of Snow Geese

Oodles of Snow Geese

Marty’s photo of the day #4993: Deb, Nellie, and I just returned from an overnight adventure. Yesterday, we drove 200 miles north to Great Falls, Montana, where we stayed in a hotel. Then, this morning, we got up before sunrise and drove another 45 miles to Freezeout Lake. Twice before, I’d made the Freezeout Lake […]

Cactus Flower

Cactus Flower

Marty’s photo of the day #4992: In recent weeks, I have been featuring the wildlife of the Galapagos Islands. I’m taking a brief break from that theme to feature some of the plant life on the islands. Here’s a cactus flower. (Photographed last month in the Galapagos Islands.)

Mexican Palo Verde

Mexican Palo Verde

Marty’s photo of the day #4991: In recent weeks, I have been featuring the wildlife of the Galapagos Islands. I’m taking a brief break from that theme to feature some of the plant life on the islands. This is the flower of a Mexican palo verde. (Photographed last month in the Galapagos Islands.)

Marbled Ray

Marbled Ray

Marty’s photo of the day #4990: Marbled rays are nocturnal hunters that can reach 10 feet in length and 6 feet in width. While generally non-aggressive, they possess a venomous tail spine for defense. They are protected within the Galapagos Marine Reserve. (Photographed last month in the Galapagos Islands.)

Blue-Foot Boobies

Blue-Foot Boobies

Marty’s photo of the day #4989: Blue-footed boobies are accomplished divers that plunge into the ocean, reaching speeds of sixty miles-per-hour to catch fish. The blue in their feet comes from carotenoid pigments in their diet, signaling health to potential mates. (Photographed last month in the Galapagos Islands.)