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….
[Photo and caption by Karli Chudeau] Reference McNeill Alexander, R (2002). Principles of Animal Locomotion. Princeton University Press.
[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.
[Photo by Alycia Drwencke; Caption by Karli Chudeau]
[Photo and caption by : Karli Chudeau]
[Photo and caption by Meredith Lutz] Reference: Nagy, Z. T., Sonet, G., Glaw, F., & Vences, M. (2012). First large-scale DNA barcoding assessment of reptiles in the biodiversity hotspot of Madagascar, based on newly designed COI primers. PloS One, 7, e34506.
This photo shows a circular section of comb that bees have (mostly) cleared of larvae that were made to simulate diseased brood. Bees will remove the capping on these “diseased” larvae and take them out of the hive before the pathogen can reach it’s infectious stage, thus keeping the colony healthy! We usually hope for…
White terns (Gygis alba) don’t build nests for their eggs! They usually find a fork in a branch and stay on their egg during incubation (Miles 1986). The chicks are born with adapted feet to cling to the branch while the mom goes searching for fish dinners. [Photo by Nick Chudeau; Caption by Karli Chudeau]…
Happy world lemur festival! The Indri is the largest of the living lemurs (although there used to be lemurs as big as gorillas!). Adults live in pairs and sing duets each morning, which can serve to improve group cohesion (Giacoma et al., 2010) and defend their forest territory (Pollack, 1986). Their name in Malagasy, Babakoto,…
Native to Aldabra Atoll in the Seychelles, Aldabran Giant Tortoises (Aldabrachelys gigantea) don’t have to deal with predation, and with an abundance of tropical food, warm weather, and environmental protection, they spend their days grazing vegetation in the morning, and snoozing on beaches in the afternoon, taking dips into shallow pools of water to regulate their temperature. These tortoises are one way that local land plants disperse their seeds (Hnatiuk, 1978).