What are the risks of migration, Biology

Assignment Help:

What are the Risks of migration

Getting lost (blown off course or similar) and the effect of this when there is a limited fuel supply.
Insufficient food to build up tissues to complete the trip.
Increased chances of disease in weakened or exhausted birds.
Unfavourable environmental changes (fire, flood, drought) on the migratory route limit the chance of all migrants making the journey safely.
Unfavourable environments through events at destination that cannot be anticipated.
Being predated on-route.
Negative influence of human influence on the environment at staging sites.

Related Discussions:- What are the risks of migration

Induction of defensive barriers in plants, Induction of Defensive Barriers ...

Induction of Defensive Barriers in Plants Several polymers deposited near surface of plants form an effective barrier against invasion or stress. Cuticle (which consists of a

What do we mean by culture media, What Do We Mean By Culture Media? Cul...

What Do We Mean By Culture Media? Culture media, you would realize, is a solid or liquid preparation containing all the nutrients required by microbes for growth. So then, what

Which aqueous solution has the lowest ph, The aqueous solution with the low...

The aqueous solution with the lowest pH is: Select one: a. 0.01 M HCl. b. 0.1 M acetic acid (pKa = 4.86). c. 0.1 M formic acid (pKa = 3.75). d. 0.1 M HCl. e. 10 t

Explain leaf primordia, Explain Leaf Primordia ? In contrast to the ro...

Explain Leaf Primordia ? In contrast to the root, which produces branches from meristematic tissue called the pericycle, shoots have areas of meristematic tissues called nodes

What is defective colour vision, What is Defective Colour Vision Defect...

What is Defective Colour Vision Defective colour vision is often called colour blindness. The ability to appreciate one or more of the primary colours is lacking. This can be e

List the stages of process of behaviour change, Q. List the stages of proce...

Q. List the stages of process of behaviour change? Stages of behaviour change process: · Unawareness · Awareness · Acquiring knowledge · Motivation · Trial

Explain about colloidal system, Explain about colloidal system A colloi...

Explain about colloidal system A colloidal system, on the other hand, is a heterogeneous system. The material that forms the base of the system is called the dispersion medium

Explain theory of evolution through natural selection, Explain Theory of Ev...

Explain Theory of Evolution through Natural Selection The third theory of evolution through natural selection was put forward jointly by Darwin, and Wallace in 1859. This theor

Explain the bunsen burner, Explain the Bunsen Burner? It is a type of g...

Explain the Bunsen Burner? It is a type of gas burner that gives very hot flame by allowing air to enter at the base and mix with the gas. It is used - (a) For sterilizing i

Explain risk factors and some epidemiological data, This assignment is a 15...

This assignment is a 1500 word 'clinical update' journal article. The format for this article is similar to that of the 'ANF clinical update' series published in the Australian Nur

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages