Hector's dolphin

By.J.B

Description

  • Hector's dolphin are mammals (wiki)
  • Hector's Dolphin belly is white (wiki)
  • Its' eyes' are covered by a black circle (wiki)
  • The rest of their body is a light gray (wiki)
  • Their fins are all black (wiki)
  • Adult dolphins can weigh up to 40-60 kg (wiki)
  • Baby dolphins called calves can weigh from 8-10 kg (wiki)
  • Adults are around 1.2-1.6 m long (wiki)
  • Calves are around 60-80 cm long (wki)

Food chain and habitat

  • Hector's dolphin habitat is the ocean at the coast of New Zealand (arkive)
  • They are the smallest type of dolphin (dolph facts)
  • Because they are small the are the fastest dolphins (dolph facts)
  • They mostly eat fish, squid, mullit, and crabs (WWF)
  • The dolphin will follow their prey until they have ate it (WWF)
  • Their predators are sharks and killer whales (WWF)
  • They are mostly found in river mouths or in shallow bays (dolph facts)

Adaptation

  • Live in groups of 5-8 called pods (arkive)
  • Sometimes pods can join up with other pods (WWF)
  • Since Hector's Dolphin is the smallest they are he fastest (WWF)
  • They have blow holes to breath (yale and dolphin)
  • Rounded dorsal helping in stopping,steering, and coordination (MTHSEcologyv)
  • They send out high frequency waves to tell them what is up ahead of them (WWF)

Reason for endangerment

  • Female dolphins have babies at the age of 6-9 years (wiki)
  • Males sexually mature at the age of 5-9 years (wiki)
  • isSince Hector's Dolphin live close to the shore they get caught in nets that fishermen throw out to catch fish (WWF)
  • Some time they die because they get hit by boats (WWF)
  • People in New Zealand have been using gillnet threads for their nets so the dolphin can 't find it with their sound (wiki)
  • The New Zealand people have been trying to stop the use of gillnet nets (wiki)