There are some birds that skip the work of raising their chicks. They just lay eggs in a different nest and let other birds raise them. Let's learn about brood parasites, one of the most interesting things to learn about birds! A Please subscribe to continue learning what makes life AWESOME: https://BioBush.tv/subscribe In this video we are learning about the tricks that brood parasites use to get another bird to raise their chicks, and how "host" species and parasite species are locked in a dynamic battle to out-evolve each other. Once you see how many adaptations and counter-adaptations are involved, you'll see why this is such an interesting field in the study of birds! If you would like to share this video, the custom link is https://BioBush.tv/broodparasites Copyright Video "A Cowbird comes to the nest material station" by Ostdrossel (https://www.youtube.com/watch?v=pXF5WP835uA). Used under Creative Commons cc-by 3.0. Photo "Eastern Phoebe-nest-Brown-headed-Cowbird-egg" by Galawebdesign, via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Eastern_Phoebe-nest-Brown-headed-Cowbird-egg.jpg). Usedunder Creative Commons cc-by 3.0. Video "Secrets of Nature --The Cuckoo's Secret" by Wu Zetian (https://www.youtube.com/watch?v=FwXpI7nSuqA). Used under Creative Commons cc-by 3.0. Photo "An Asian Koel Female taking flight" by Hari K Patibanda, via Flickr (https://www.flickr.com/photos/krishnacolor/50991524683/). Used under Creative Commons cc-by 2.0. Video "Oriole Father Struggles to Feed Larger Baby Cowbird" by Ann Del Tredici (https://www.youtube.com/watch?v=1jmPNzXqNo4). Used under Creative Commons cc-by 3.0. Video "Prothonotary warbler provisioning cowbird" by Nick Antonson (https://www.youtube.com/watch?v=4o5eJTqj93E). Used under Creative Commons cc-by 3.0. Video "White crowned sparrow with juvenile cowbird" by youcos (https://www.youtube.com/watch?v=gyMD3QLGCy4). Used under Creative Commons cc-by 3.0. Video "Whose Home is it anyway?" by Peet J van Eeden (https://www.youtube.com/watch?v=nJAbqnp8sd0). Used under Creative Commons cc-by 3.0. Photo "Common cuckoo parasitic brood" by Anderson MG et al., via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Common_cuckoo_parasitic_brood.png). Used under Creative Commons cc-by 4.0. Video "American robin rejecting a 3D model egg" by Peer J (https://www.youtube.com/watch?v=9JPh8hkPTlU). Used under Creative Commons cc-by 3.0. Video "Intro to the Fairywren Project" by Fairywren Project (https://www.youtube.com/watch?v=lnt3xSzScP0). Used under Creative Commons cc-by 3.0. Video "Blue Wren (Superb Fairy-wren) Nest Building" by unyxium (https://www.youtube.com/watch?v=umiIyTYjDgE). Used under Creative Commons cc-by 3.0. Photo "Horsfields Bronze-cuckoo (Chrysococcyx basalis)" by patrickkavanagh, via Flickr (https://www.flickr.com/photos/patrick_k59/44340287661/). Used under Creative Commons cc-by 2.0. Photo "Village indigobird, Vidua chalybeata, at Mapungubwe National Park, Limpopo, South Africa (male)" by Derek Keats, via Flickr (https://www.flickr.com/photos/dkeats/18038277781/). Used under Creative Commons cc-by 2.0. Photo "Reed warbler cuckoo" by Per Harald Olsen, via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Reed_warbler_cuckoo.jpg). Used under Creative Commons cc-by-sa 3.0. Bizarre Birds - https://BioBush.tv/birdbeaks Every Bird Ranked - https://BioBush.tv/rank1 // New animal videos every Friday. Life is AWESOME. Learn why! I'm tweeting about birds at - https://twitter.com/BioBush And now Instagram at - https://www.instagram.com/BioBush/ Thanks for watching! You're awesome!