A) The process of birds changing their appearance. B) The process of birds building nests. C) The seasonal movement of birds from one place to another. D) The behavior of birds eating specific diets.
A) To hide from predators. B) To refuel and rest during their long journeys. C) To find new mates. D) To establish territories.
A) Ostrich B) Arctic Tern C) Hummingbird D) Penguin
A) Magnetoreception B) Thermoreception C) Electroception D) Echolocation
A) Asia B) Europe C) North America D) Antarctica
A) Changes in daylight length and temperature. B) Global migration alert system. C) Email reminders. D) Loud noises in the environment.
A) Offer them snacks during their journey. B) Keep cats indoors, reduce pesticide use, and avoid disrupting their habitats. C) Plant more trees everywhere. D) Scare them away for fun.
A) To encourage birds to find new routes. B) To ensure the survival of bird populations and maintain ecosystem balance. C) To make migration easier for birds. D) To reduce bird populations. |