Henderson Petrel (Pterodroma Atrata) By: Arjun Gampala

 Feeds on fish, squid, and other crustaceans Diet

 Live on Henderson Island in the Pitcairn Islands which is in the Pacific Ocean  They also live in the Gambier and Marquesas Islands in French Polynesia  Live on the Islands inland or Coral plateau  It is food for many creatures and is also a predator for many creatures  Dense forests Habitat/Niche

 Can breed at any time in the year  Generally lay a single egg  May hatch in 50 days  Can only breed 1 at a time  Parents take 19 day shifts for incubation Reproduction and Gestation

Polynesian rats and crabs Henderson Petrel Squid, fish, and some crustaceans Small fish Small plant life (algae, coral, etc.) Predator/Prey Relationships

 This species would be a consumer  It is a 3 rd level consumer Consumer/Producer

 Humans are not a threat because they live on remote islands but they may if there is an increase in tourists  Polynesian rats are a major threat  Every year they eat an estimated 25,000 petrel chicks on Henderson Island Threats/Human interactions

 Biotic factors: tall trees (dense forests), vines, grass, sunlight, temperature, and oxygen  Abiotic factors: sand, water, and coral rock Biotic/Abiotic factors

 There are about 16,000 breeding pairs  40,000 all together  Last survey was 1991 Numbers at Present

 There is an lack of space because they only breed on Henderson Island Limiting factors

 Since they live on Henderson Island surrounded by water, they have learned to catch food in the water  They either dive in to catch their prey or wait until another bird vomits their food out to eat it Ability to Adapt/Adaptions

 Many animals like the Polynesian rats and crabs won’t have enough food to survive if they go extinct  The food that the petrels eat will overpopulate the area beside Henderson Island eventually leaving no room for the species to survive  All of the animals that eat the petrel only live on Henderson island Why my species is a butterfly species

 They are also known as Gadfly petrels  They only breed on Henderson Island  The beak of the Henderson petrel is sharp and curved, perfectly suited to catching and cutting up its fishy prey  Henderson petrel perform their courtship display in the air  There size is about cm Interesting Facts

           html?image=15         Arkive.com  Bird Life.org  Pitcairn.southpacific.org   Credits

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