Penguins Hatch at Columbus Zoo

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The Columbus Zoo and Aquarium in Ohio has welcomed three Humboldt Penguins to the zoo’s Shores region. The chicks hatched in March and are three of over 20 Humboldt Penguins to hatch at the zoo since 1996.  

Although animal care staff can tell the chicks apart by personality, they will place a colored wing band on the chicks to easily identify them as they start to explore their habitat. All three chicks are doing well and have passed their wellness check-up with flying colors.

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8 penguinPhoto credit: Colombus Zoo

The first to hatch weighed 85 grams, the second weighed 79 grams and the third chick, which hatched last, week weighed in at 56 grams. The first two chicks are males, but the third chick’s sex has yet to be determined.

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Rockhopper Penguins Hatch at Henry Doorly Aquarium

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Five Southern Rockhopper Penguin chicks have hatched at the Henry Doorly Zoo & Aquarium in Nebraska!

Hatched in mid-December, the chicks now weigh close to five pounds (2.3 kg), and have started to molt their baby feathers and grow in adult waterproof feathers. 

Typically adult birds will raise their own chicks, but these eggs were hand-raised due to increased activity levels in the exhibit.

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Photo credits: Henry Doorly Zoo & Aquarium

See video of a newly-hatched chick:


See video of the babies:


The eggs were kept in an incubator for 36 days. Once an egg began to hatch, keepers put the egg in a hatcher until the chick was fully hatched and dry. The chicks were then transferred to a brooder with a warm temperature. The temperature of the brooder will slowly decrease as the chicks grow bigger. 

The chicks are fed five times a day and eat a fish and krill formula that is made fresh daily and packed with all the vitamins and minerals the growing chicks need. They will also eat small fish fillets until they progress to whole fish. Keepers follow strict hand-rearing guidelines, allowing the chicks to consume no more than ten percent of their body weight at each feeding. 

For the measured feedings, it is very important for the keepers to be able tell the chicks apart. Each chick has one foot marked with a non-toxic paint to allow keepers to identify them. Once old enough, the chicks will have wing bands just like the other adult penguins on display. 

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African Penguin Hatches into a Great Adventure!

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An African Penguin chick has hatched at Adventure Aquarium in New Jersey. (Forgive the title--we couldn't help it!) A healthy, active, 2.5-ounce (72 g) ball of fluff, whose gender is yet to be determined, was born to parents Minnie and Kamikaze on January 5. 

The day before, aquarium biologists had heard soft 'pipping' sounds from inside the egg as the chick readied itself to hatch by chipping away at its shell. They knew that a hatching was imminent. Sure enough, biologists arrived Sunday morning to see that the little chick had hatched overnight.

The chick is doing very well – strong, vocal and very mobile. It is pictured at one day old, so tiny that it would fit in the palm of your hand!

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3 penguinPhoto credit: Advanture Aquarium

This chick is Minnie and Kamikaze’s seventh since they became a breeding pair, and will be the fourth of theirs to call Adventure Aquarium home, along with siblings Myer, Jack and Jambo. Three of the pair’s other chicks were sent to other facilities across the country as part of the Association of Zoos and Aquaria’s (AZA) Species Survival Program (SSP) breeding recommendations. An SSP coordinates breeding of genetically unrelated animals between AZA accredited facilities. This helps to prevent inbreeding and sustain a healthy population in captivity.

This effort takes on an even greater importance when the species is endangered in the wild, as are African Penguins. The greatest threat to these birds is competition with humans: as we continue to overfish, African Penguins lose their food source. Having a healthy captive population allows us to study the biology of a species for better conservation. In some case, it can also give us the ability to give wild populations a boost by releasing captive-bred individuals. 

Today the chick will have its first veterinary checkup, and it will go through daily weigh-ins with aquarium biologists, who will ensure that the chick continues to thrive. 

This weekend, January 11-12, Adventure Aquarium is hosting a Celebrity Penguin Weekend. Pumpkin and Patch, 'grandchicks' of Minnie and Kamikaze, will make their debut. 

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Penguins Are a Perfect Present for Moody Gardens


Just in time for the holidays, four Gentoo Penguin chicks – the first of the 2013 breeding season – have hatched at Moody Gardens in Galveston, Texas. 

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Photo Credit:  Moody Gardens

The down-covered chicks, who weighed only a few ounces each at hatching, are growing quickly and will attain their adult size and weight in about eight weeks. 

In the wild, Gentoo Penguins breed on many sub-Antarctic islands, where they build large circular nests from stones.  

These chicks, along with six other Gentoo Penguins, will move to Hull, England in February for a new Penguin exhibit at The Deep.  

"In the spirit of international cooperation, we're pleased to be able to send the Penguins to The Deep," said Diane Olsen, assistant curator at Moody Gardens, who traveled to England to oversee the Penguin transfers.  "They have a brand new exhibit that has passed very stringent accreditation standards."  

This cooperative management is typical of zoos that are accredited by the Association of Zoos and Aquariums (AZA).  AZA zoos, along with their European counterparts, share a goal of maintaining genetically healthy animal populations.

Rockhopper Penguin Chick Hatches at Shedd Aquarium


As if to say, "Hello world!" the newest Rockhopper Penguin hatchling waved its tiny wings for the camera at Chicago's Shedd Aquarium. Hatched just about a month ago, the chick is thriving and growing quickly, as penguins tend to do, before guests' eyes each day: Gaining weight, eating, and building relationships with its feathery neighbors on exhibit in the Polar Play Zone. The open nesting location there allows guests the rare opportunity to watch and learn about the chick as it develops and grows.

Visitors also have the unique chance to see the mother and father care for the hatchling, sharing parenting responsibilities in equal shifts. The experienced parental Penguin pair is feeding the bird well, according to Ken Ramirez, Executive Vice President of animal care and training for Shedd, but there are more key milestones ahead. The chick will learn to eat on its own before acquiring waterproof plumage and diving into its swimming skills for the first time.

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Photo Credit: Shedd Aquarium/Brenna Hernandez

Keepers observe and weigh the bird daily. Born at 75 grams, the chick gains approximately 40 grams per day and is now at a healthy weight of 1,019 grams. The gender of the chick has yet to be determined. It is difficult to identify gender in Penguins without genetic testing, as there is no observable difference in male and female anatomy. Watch as the Penguin chick interacts with its trainer below:

Trio of Endangered Penguins at the Audubon Aquarium


Three endangered African Blackfooted Penguins were born at the Audubon Aquarium in March. The chicks were born to parents Voodoo and Tag, Snake and Quatloo, and Endymion and Kenickie. They are growing quickly and have already joined the penguin colony exhibit.


The chicks were initially fed a special hand-blended formula of fish, krill, half-and-half, an electrolyte solution, proteins and vitamins. This provided them with the nutrients they needed to grow healthy during their first few weeks. 

Penguin Number Three resting on Darwins finger

The chicks are a testament to the success of the Audubon Penguin Breeding Program. “With their numbers decreasing by as much as 90% in the past century, the hatching of multiple African penguin chicks is especially significant and makes me incredibly proud of the program’s accomplishments,” says Audubon Senior Aviculturist Darwin Long. Audubon Aquarium works to build genetically-diverse captive populations to ensure the survival of the species. They have raised 46 chicks since the Aquarium opened in 1990.

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Photo Credit Audubon Aquarium

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Chester Zoo's Penguin Chicks Named After TV Icons

Chester Zoo keeper Karen Neech checks on penguin chicks Davros and Dalek

A clutch of four Humboldt Penguin chicks hatched at the United Kingdom’s Chester Zoo have been named after characters from the British science fiction TV show Doctor Who, which celebrates its 50th anniversary this year. 

The first of the chicks, which hatched on April 17, was named Doctor.  The next three chicks are named Tardis, Davros and Dalek.

Chester Zoo keeper Karen Neech checks on penguin chicks Davros and Dalek (2)

Doctor a newly hatched penguin chick at Chester Zoo is weighed to check on its development

Photo Credit: Chester Zoo

Zoo keepers are providing intense daily care to the four chicks, including daily weigh-ins to make sure the chicks are getting enough food from their parents.  Keeper Karen Neech said, “With extra mouths to feed a lot more food is required, so it’s a busy time for both us and the adult Penguins.  We provide the parents with fish and they then turn it into a high-protein soup, which they then regurgitate to feed to the chicks.” 

Humboldt Penguins are native to the coastal areas of Peru and Chile and are named for the chilly Humboldt ocean current in which they swim. They are listed as Vulnerable by the International Union for Conservation of Nature. 

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Penguin Chick is a First for Minnesota Zoo

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An endangered African Penguin chick hatched at the Minnesota Zoo on March 2 – the first in the zoo’s history.  The chick, whose gender is not yet known, is being raised behind-the-scenes by Penguin foster parents.  The biological parents were not incubating the egg consistently so the egg was placed with this experienced pair.  

The photos below showcase the chick’s rapid growth. From top to bottom, the chick is one day, three days, five days, 12 days, and 16 days old.  The chick has grown from 2.4 ounces to over 1 pound, 6 ounces in that time span. The chick will eventually become an ambassador for its species in the Minnesota Zoo’s education programs.

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Photo Credits:  MIinnesota Zoo


African Penguins live and nest on the southwest coast of Africa, where they consume nearly 15% of their body weight in fish such as anchovies, sardines, and herring each day.  Large-scale commercial fisheries, oil spills, and habitat destruction have killed 80% of the African Penguin population in the last 50 years. 

Catastrophic food shortages, thought to be caused by climate change which has shifted fish populations further away from the coast, have accelerated the decline in the global population by forcing adults to abandon their nests and chicks.

Two African Penguins Hatch at Mystic Aquarium


Connecticut’s Mystic Aquarium announced the recent hatching of two African Penguin chicks.  The chicks hatched on February 1 and February 10 and are growing quickly.  The younger chick weighs 281 grams, and the older chick weighs 696 grams, demonstrating the exponential growth seen in the first few weeks of a Penguin chick’s life.



Photo Credits: Mystic Aquarium

During the first 40 days of life, Penguin chicks cannot maintain their body heat, so they stay warm by tucking underneath their parents.  When the very vocal chicks announce that they’re hungry, mom and dad oblige by offering food.  Once the chicks are weaned at about 50 days old, keepers will begin training the chicks to accept food from their hands.  You can watch all the action on the aquarium’s African Penguin webcam.  

The chicks will fledge at 75 to 100 days of age.  At that time, their fluffy down will be replaced with the brown and white feathers of juvenile Penguins, and they’ll be introduced to the 26 adult Penguins in the flock.  The chicks’ genders will be determined using a DNA test when they’re about six months old.   

African Penguins are an endangered species, and their breeding is managed by the Species Survival Plan, a cooperative breeding program of the Association of Zoos and Aquariums.

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A Great Season for Penguins at SeaWorld San Antonio

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A Gentoo Penguin chick.

Texas' SeaWorld San Antonio celebrated another record-breaking penguin breeding season, with a total of 31 Gentoo, Chinstrap and Rockhopper Penguin chicks hatching in December and January.

The breeding season at SeaWorld San Antonio begins each year in September, as aviculturists haul in over 7 tons of rocks by the bucket load to form three distinct rookeries, or penguin nesting areas. Highly monogamous, Gentoo, Chinstrap and Rockhopper Penguins typically return to the exact same nesting location, with the same mate, year after year. 

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From left to right: Rockhopper, Chinstrap and Gentoo Penguin chicks.
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A Chinstrap Penguin parent feed a chick. Photo Credits: Seaworld San Antonio

Most of the chicks hatched were incubated by their parents, although foster parents and incubators were utilized when necessary. Because penguins lay their eggs in rocky nests, the shells of the eggs are especially thick and protective. It can take chicks several days to hatch, so aviculturalists keep an eye on the little ones as they peck their way out of those tough eggs. 

Right after hatching, the exhausted chicks rest and gain warmth from their parents. After about twenty-four hours, the chicks gain an appetite and both parents take turns regurgitating fish for their young. 

The chicks spend their first few weeks of life being kept warm and safe by both parents, who share in the duties of brooding and feeding their youngsters.  Aviculturists carefully monitor all penguin families, and take frequent weights of chicks to ensure healthy growth.

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