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

Invertebrate groups possess segmented bodies, Which invertebrate groups pos...

Which invertebrate groups possess one, three, four or all of the features below? Segmented bodies, hard exoskeleton, jointed legs, compound eyes, three pairs of walkin

Light requirement - seed dormancy, Light Requirement - Seed Dormancy T...

Light Requirement - Seed Dormancy The light requirement for germination of many seeds is presumably a mechanism that prevents the germination of small seeds buried deep underg

Nutrition of embryo sac, Nutrition of Embryo Sac The morphology of th...

Nutrition of Embryo Sac The morphology of the ovule suggests that the chalazal end is the main route for the entry of nutrients. The funicular vascular supply ends at the bas

Explain the determination of vitamin A, Determination of Vitamin A Vita...

Determination of Vitamin A Vitamin A assay is carried out by chemical method. This method is called Carr Price Reaction. Vitamin A and the carotenoids produce an intense b

Current approach of liberal management in peptic ulcer, Q. Current approach...

Q. Current approach of liberal management in peptic ulcer? Current approach of liberal management in peptic ulcer medical nutrition therapy postulates: It is the individual pat

Explain quantitative methods - therapeutic diets, Quantitative Methods - Th...

Quantitative Methods - Therapeutic diets Quantitative Methods: These are often essential for constructing Lherapeutic diets. The two ways by which this could be done are as

Medication for cardiac patients, Medication The patient is advised to ...

Medication The patient is advised to continue antibiotics for a week more after discharge. Other medications prescribed are analgesics (acetaminopen), cough syrup, diuretics

Aspect of tolerance and dependence - psychoactive substance, Aspect of Tole...

Aspect of Tolerance and Dependence: Drug-abusers are said to be psychologically dependent upon certain drugs. Drugs also induce clear physical dependence in the chronic users.

Disorder of skeleton and joints, DISORDER OF SKELETON AND JOINTS - 1 ...

DISORDER OF SKELETON AND JOINTS - 1 . Sprain - It involves a stretching or tearing of tendons or ligaments. 2. Arthritis - It is infalmation of joints.

Slight or no metamorphosis, Slight or no Metamorphosis In primitive w...

Slight or no Metamorphosis In primitive wingless insects (Apterygota) such as spring tails, silver fish etc. and in secondarily apterous insects the young ones which hatch fr

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages