Julie's Journal

Raising the Bar...and Penguins!

Have you ever thought about how difficult it must be to do something if hardly any one else can do it? Olympic athletes compete among the elite and talented few. Astronauts have specialties few others have and only a handful of those have actually walked on the moon. SeaWorld aviculturists have successfully raised emperor and other species of penguins, which has not been done outside the Antarctic wild anywhere else in the world! These things impress me. What does it take to accomplish things that have never been done before? It takes conviction that it can be achieved, knowledge about how to do it, skill to realize the "so far" unattainable, and determination to continue through disappointment. This is exactly what SeaWorld's bird department has.

Thirty years ago, it was unheard of to even attempt to care for and display cold weather penguin species like emperors, Adelies and chinstraps. Well before our Penguin Encounter opened at SeaWorld in San Diego, strategy was in place to closely replicate not only the physical environment of the penguins, but also the light cycles (opposite of our northern hemisphere of course), nesting material access and social requirements. During each species' breeding season, you can observe the particular specialized behaviors each perform to select prime nest locations, "impress" potential mates, and prepare to raise chicks.

Males establish the nest site in most species that build nests, often by using small stones. The better the nest, the more likely a female will "move in". Most penguin species are monogamous, with pairs being faithful to the same nest site year after year. It does happen, however, that new pairs form (females choose their mates), and multiple partners occur, which seems to increase breeding success for those individuals. The keepers at the Penguin Encounter chart where nest sites are located each year, which penguins have paired off and the success or failure of eggs laid and hatched. Amazingly, the penguins, too, seem to know when a pairing isn't productive - they move on and find a more compatible partner.

 

Sometimes pairs are wonderful at raising one chick, but not two, which happens often in the wild. In those cases, caretakers remove one of the eggs, to give both chicks an equal chance at survival.

Through extensive research, careful monitoring, thorough record keeping, and painstaking attention to detail, the aviculture staff has been able to succeed where only nature has been able to before.

 

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