Case study: Bats

Science

Case study: Bats

Bats are nocturnal animals. They can live in different environments but they need a place to roost.
The roost is the place where they spend the day and where they hibernate. You can find bat
roosts in caves, trees and inside empty buildings.
Most bats eat insects. A bat is able to eat one-third of its body weight in insects every night.
This means it eats several hundred insects in a few hours.
Some bats eat fruit. Vampire bats feed on blood.
Bats hunt for food at night. This means there is less competition for food since other animals
that eat insects or fruit hunt during the day.
Bats use sound to fly safely and find their prey. They make very high-pitched sounds which
humans cannot hear.
The main predators of bats are falcons and hawks.
Bats have light bones with webbing between which allows them to fly. They sleep upside down
and fold their wings to cover themselves.
In late autumn it gets colder and there are no longer insects and fruit for the bats to eat.
At this time of year bats look for a suitable place to hibernate. They often migrate long distances
to find the right place. The bats hibernate for up to six months. Their body functions slow down
so much that some bats only take one breath every two hours! They hibernate in groups with
many bats holding on to each other. This huddling behaviour helps to keep the bats warm.
Sometimes there are a million bats in one big cave.

CAMBRIDGE PRIMARY SCIENCE 5 UNIT 6: SEASONS AND ADAPTATIONS OF PLANTS AND ANIMALS

Cambridge Primary Science 5 – Fiona Baxter & Liz Dilley © Cambridge University Press 2021 6
1 Complete the following sentences. The missing words are highlighted in the case study.
a An animal that hunts and kills another animal for food is a _______________________.
b An animal that is hunted and killed by a predator is a _______________________.
c An animal that is active at night is _______________________.
d The place where bats sleep is called a _______________________.
e The thin skin between a bat’s bones is called _______________________.
f Bats keep warm in big groups by _______________________.
g Animals that are inactive for a long time during winter _______________________.
h An animal that travels a long distance to find food or a resting place or breeding place
_______________________ .
2 Name three foods that bats eat.

_________________________________________________________________________________
3 What adaptation do bats have to fly safely and to find food?

_________________________________________________________________________________

The first beluga whale calf in captivity in Europe is born... and it is from Valencia

Science

  • He weighed 90 kilos and is 1.20 meters tall.
  • This is the first birth of this species in a European center.
  • For one month the Ártico facility will remain closed to the public.

The birth took place at 11:08 p.m., after about eight hours of labor, as reported by the Oceanográfico in a press release.

This small whale, whose sex has not yet been confirmed, has a length of 1.20 m and a weight of approximately 90 kilos, and unlike white adult belugas, it still has a dark gray color that will disappear as it ages. I developed.

The event, despite the reserved prognosis, has brought great joy among the staff of the Oceanográfico, and the chances of it not exceeding these first weeks and months are very high.

In any case, this birth represents a milestone in the study and conservation of this species , since so far only around beluga Whale Are Friendly have been reproduced in oceanariums in the United States, Canada and Japan with which, on the other hand, The Oceanographic Center plans to develop coordinated reproduction plans.

A team of caregivers will carry out continuous monitoring of the mother and calf during the first weeks to better understand the mother-child relationship of this species.

On the other hand, and in order not to disturb the 'baby', the "Arctic" facility will remain closed to the public for at least a month. "

 

 

"Yulka", about 8 years old, and "Kairo", between 18 and 20 years old, are the only representatives of their species in European centres.

These two white whales arrived in July 2003 at the facilities of the City of Arts and Sciences from Mar de Plata , in Argentina.

If the evolution of the animal is adequate, it will be incorporated into the research project on the acoustic behavior of these animals that is carried out at the Oceanográfico; a project that tries to better understand their communication and protection at sea.

 

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