Unlike human nostrils which remain open at all times, the relaxed nostril position for pinnipeds is in a closed position. Like this harbor seal (Phoca vitulina) they voluntarily open them when at the surface of the water to sniff or breathe. [Photo and caption by Karli Chudeau] Reference Berta, A., Sumich, J.L., & Kovacs, K.M….
Sunday Sketch: Yeti Crab
The abominable snowman has been found hanging out at the bottom of the ocean in the Antarctic! The Yeti crab (Kiwa hirsuta) was discovered in 2005 as a new genus and new species that hangs out near hydrothermal vents of the Pacific-Antarctic Ridge. Named for their very hairy claws, scientists speculate that these blind decapods…
Field Frame Friday: Land-ho Captain!
[Photo and caption by Karli Chudeau] Reference McNeill Alexander, R (2002). Principles of Animal Locomotion. Princeton University Press.
Field Frame Friday: Be a courteous neighbor, and look but don’t touch.
[Photo by Nick Chudeau; Caption by Karli Chudeau] Reference Dearden, P., Theberge, & M., Yasué, M. (2010). Using underwater cameras to assess the effects of snorkeler and SCUBA diver presence on coral reef fish abundance, family richness, and species composition. Environmental Monitoring and Assessment, 163(1-4), 531-538.
Creature Feature: Reef-building Corals
Coral reefs are the largest geological structures on earth built by living organisms…
Sunday Sketch: Christmas Tree Worm
Oh Christmas tree (worm), oh Christmas tree (worm), how functional are your branches! Christmas tree worms (Spirobranchus giganteus), found throughout the tropical waters in the Indo-Pacific and Caribbean, are segmented worms that inhabit coral reefs. They use their colored, spiral fans (that give them their festive name) for feeding and respiration. When threatened, they can…
Field Frame Friday: Biting off a little more than you can chew (or swallow)!
[Photo by Alycia Drwencke; Caption by Karli Chudeau]
Field Frame Friday: Freeze Frame!
[Photo and caption by : Karli Chudeau]
Field Notes: (Machine) Learning about Baboons
What happens when biologists and computer scientists can’t use new technology on their primate subjects? Well, human see- human do!
Creature Feature: Cooperative Trematode Parasites
…these parasitic flatworms exhibit an extreme form of cooperative division of labor via non-reproductive warriors and the reproductive baby-makers…