hawk+mountain+review

Make a list of questions. Include the answers in a different color. Use the review guide below to help you.



How did DDT effect the population of raptors in a negative way? The DDT traveled through the food chain and ended up in the hawk's system. The chemical ook away the calcium needed to produce a good egg. The eggs were so brittle they broke and none of the Osprey or Eagles could reproduce. As a result populations declined greatly in the fifties and sixties.



What is a bird of prey ? (three characteristics)

It has to have sharp talons, pointed beak, and keen eye sight.

Why do birds migrate? Birds migrate south when there is a lack of food. Colder weather means less food (insects, frogs, toads,etc) Birds return north in the spring to nest (have babies) and find more food.

Robb Soslow 6C Science 10/25/11

Movie Notes (Watch Movie)-

Kestrel Harris hawk red-tail owl (movie, watch for notes)

Buteo- Fan Tail Wide Broad wings Soars When in flight, has fan tail

Accipiters- rudder-like (pencil) Short rounded wings coopershawk, goshawk, sharp-shinned wood (forest) flap flap, glide

Falcons- Fans tail when balances pointed wings fast flap continuously Peregrin, am kestrel, merlin

Eagles- White head, black immature `Bald and golden Wide wings, Wide wingspan soars Somewhat endangered due to DDT Similar to buteos but much, much, bigger.

Effects of DDT- Affected: Osprey, Eagles, Peregrin

Not affected: Kestrel, Red-tail, Goshawk broad-winged.

Some think that the reason ospreys are affected because of their diets. Some aren’t affected because of a wide diet,

Turkey Vulture- (Turkey Buzzard) Keen Smell Small head Uses Thermals Flaps Rarely Wings make V Shape

Northern Harrier- Owllike face Marsh hawk (Kind’ve looks like an accipiter)

Osprey- White belly Eats fish Makes “m” shape Fans tail when flies Black and white plumage Affected by DDT

Hawk Mountain Richard Proun Takes pics Rosalie tells people and helps stop the hunting of hawks (buys land) Hires guards and tells locals to stop the hunting

Migration- Birds come by the thousands over HM September Migrants A B B O

October Migrants C S P M

Late October/Novermber G R R R North Goshawk September: bald eagle, osprey, broad wing , american kestral, northern harrier

Early October: peregrine falcon, merlin, cooper's hawk, sharp-shinned hawk, northern harrier

Late October/Nov: red-tailed hawk, golden eagle, northern goshawk, red-shouldered hawk, red-legged hawk, northern harrier

Birds follow airways and thermals Birds migrate due to lack of food How to they migrate Sense the seasons (Magnetic fields) Updrafts help them Small rodents and amphibians hide underground. They come back due to a massive surplus of prey. Start realising that the temperature Sense the daylength

Raptors Sharp beaks Sharp Talons for ripping (Remember TJ (And/or other person that was a hawk in your group)) Layer Over eyes to stop eyes from drying. Magnifying eyes

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