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

Effects of cardiac output and hormones, Excluding the effects of cardiac ou...

Excluding the effects of cardiac output and hormones, describe the other factors that may affect blood pressure and blood flow in a middle-aged man who is exercising in an aerobics

What is the function other than protection of the ribs, What is the functio...

What is the function, other than protection, of the ribs? The ribs help to alter the volume of the thorax during breathing movements.

State about maxillary sinus, Maxillary sinus : It is a pyramidal shaped...

Maxillary sinus : It is a pyramidal shaped large cavity in the body of the maxilla containing many structures of concern during surgery. The sinus is lined by a membrane known

Neurulation in amphibians, Neurulation in Amphibians The first step i...

Neurulation in Amphibians The first step in the neurulation process is the flattening and thickening of dorsal ectoderm to form neural plate. The plate of cells are different

Acute mitral regurgitation-indications for surgery, Acute Mitral Regurgitat...

Acute Mitral Regurgitation : Acute mitral regurgitation is an indication for early surgery. If patient is haemodynamically unstable, pre-operative intra aortic balloon pump

Wild type embryo, In Drosophila, the anterior determinant Bicoid is known t...

In Drosophila, the anterior determinant Bicoid is known to activate expression of the gene hunchback in the anterior half of the embryo. (Bicoid is a transcription factor, which b

Agro industrial-enrichment of soil, Enrichment of soil Indirect provis...

Enrichment of soil Indirect provision of minerals to grazing livestock includes mineral fertilization of pasture and altering soil pH, however this may not be always feasible

What is tyrosinemia, Q. What is Tyrosinemia? There are two forms of her...

Q. What is Tyrosinemia? There are two forms of hereditary tyrosinemia. They are tyrosinemia Type I and tyrosinemia Type II. Type I was thought to be due to a deficiency of para

Write short note on ames test, Question 1 Describe any two possible mec...

Question 1 Describe any two possible mechanisms of mutagenesis 2 Explain any five functions of Endoplasmic reticulum 3 Write short note on Ames test 4 Describe the structure an

Germplasm conservation - plant tissue and organ culture, Germplasm Conserva...

Germplasm Conservation - plant tissue and organ culture Totipotent plant cells and shoot tips can be freeze-preserved in liquid nitrogen (-196? C) for long periods, and wh

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages