A tadpole was in an egg.
A caterpillar was an egg.
A chick is in an egg.
A kangaroo has a joey.
A foal can get up.
A new giraffe can run!
Words to know
- tadpole: baby frog
- joey: baby kangaroo
- foal: baby horse
Facts
Facts the Peabody Encyclopedia for kids
Real facts about everything, written for your grade.
Little Ones Grow
Baby Animals: How do baby animals grow up?
Meet them
Read next
Stories to go with this book
Sources
- https://www.fs.usda.gov/wildflowers/pollinators/Monarch_Butterfly/biology/index.shtml
- https://extension.umd.edu/resource/metamorphosis-life-stages-monarch-butterfly-milkweed-north-east-maryland-fs-1144
- https://monarchjointventure.org/monarch-biology/life-cycle
- https://askabiologist.asu.edu/monarch-life-cycle
- https://www.amentsoc.org/insects/fact-files/life-cycles.html
- https://australian.museum/learn/teachers/learning/frog-life-cycle/
- https://annex.exploratorium.edu/frogs/mainstory/frogstory5.html
- https://www.sites.ext.vt.edu/virtualfarm/poultry/poultry_development.html
- https://lancaster.unl.edu/4h/4h-classroom/embryology/
- https://ucanr.edu/site/placer-county-4-h/how-chick-emerges-shell
- https://www.etsu.edu/cas/biology/eagle-cam/ec_about.php
- https://poultry.extension.org/articles/poultry-anatomy/avian-reproductive-female/precocial-and-altricial-birds/
- https://www.audubon.org/magazine/birdist-rule-57-its-summer-watch-out-juveniles
- https://vet.tufts.edu/tufts-wildlife-clinic/found-wildlife/what-do-if-you-found-sick-or-injured-baby-bird
- https://livescience.com/whats-it-like-inside-a-kangaroo-pouch
- https://australian.museum/learn/animals/mammals/red-kangaroo/
- https://australian.museum/learn/animals/mammals/common-wombat/
- https://www.bushheritage.org.au/news/wonders-of-marsupial-parenthood
- https://australian.museum/learn/animals/mammals/koala/
- https://australian.museum/learn/animals/mammals/platypus/
- https://australian.museum/learn/animals/mammals/short-beaked-echidna/
- https://horses.extension.org/care-of-the-newborn-foal/
- https://vetmed.tamu.edu/news/pet-talk/horse-foaling-2/
- https://giraffeconservation.org/facts-about-giraffe/faqs-about-baby-giraffe/
- https://www.nationalgeographic.com/animals/article/giraffe-baby-film-standing-birth-news
- https://nationalzoo.si.edu/animals/giant-panda
- https://animals.sandiegozoo.org/animals/giant-panda
- https://www.nationalgeographic.com/animals/article/born-pink-blind-entirely-helpless-heres-how-giant-pandas-grow-up
- https://today.duke.edu/2019/12/why-are-giant-pandas-born-so-tiny
- https://www.nps.gov/caha/learn/nature/seaturtles.htm
- https://www.stpetersburg.usf.edu/news/2026/how-floridas-sea-turtle-hatchlings-find-the-ocean-in-the-dark.aspx
- https://oceanservice.noaa.gov/news/june15/sea-turtles.html
- https://www.fisheries.noaa.gov/species/green-turtle
- https://www.livescience.com/64765-how-penguins-keep-eggs-warm.html
- https://www.antarctica.gov.au/about-antarctica/animals/penguins/emperor-penguin/
- https://sccf.org/2025/07/15/the-science-of-how-sea-turtles-hatch/
- https://americanornithology.org/audubons-legendary-experiments/
- https://www.usgs.gov/labs/bird-banding-laboratory
- https://www.biology.ox.ac.uk/node/2485146
- https://amboselibaboons.nd.edu/history/
- https://www.fisheries.noaa.gov/inport/item/30859
- https://www.fisheries.noaa.gov/species/chinook-salmon
- https://www.nobelprize.org/prizes/medicine/1973/lorenz/facts/
- https://www.nobelprize.org/prizes/medicine/1973/lorenz/biographical/
- https://www.nps.gov/biso/learn/nature/bearbiology.htm
- https://www.biokids.umich.edu/critters/Ursus_americanus/
- https://nationalzoo.si.edu/animals/gray-wolf
- https://biokids.umich.edu/critters/Canis_lupus/
- https://home.nps.gov/dena/blogs/how-quickly-they-grow-up.htm
- https://www.nps.gov/places/blue-whale.htm
- https://www.fisheries.noaa.gov/national/outreach-and-education/fun-facts-about-wonderful-whales
- https://www.floridamuseum.ufl.edu/exhibits/online/hope-for-humpbacks/
- https://www.fisheries.noaa.gov/species/humpback-whale
- https://www.hawaii.edu/news/2024/12/17/humpback-whale-mother-calf/
- https://nationalzoo.si.edu/animals/orangutan
- https://nationalzoo.si.edu/animals/asian-elephant-faqs
- https://animals.sandiegozoo.org/animals/elephant
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