Hammerhead SharksCarolyn Kirk

Gender Differences

Male Femalehttp://nefsc.noaa.gov/nefsc/Narragansett/sharks/sexdet.html

Various Headshapes

Bonnethead

Smalleye

Scalloped

Great

Scoophead

Scalloped Bonnethead

Smooth

Winghead

http://writepass.com/journal/wp-content/uploads/2012/11/1375.png

BonnetheadSphyrna Tiburo

Low Risk

http://marinebio.org/upload/sphyrna-tiburo/1.jpg

CarolinaSphyma Giberti

Unknownhttp://www.sc.edu/_resources/ldp-galleries/.private_ldp/a30306/production/master/d2c542ad-fbcb-4d01-b9c7-eb505aeccf81.jpeg

Great HammerheadSphyma Mokarra

Endangeredhttp://switchboard.nrdc.org/blogs/bsewell/HammerheadShark,approved%20to%20use,%20credit%20Amanda%20M.%20Pippin.png

Scalloped BonnetheadSphyma Corona

Near Threatenedhttp://www.flmnh.ufl.edu/fish/education/sharkkey/images/bonnethead2.jpg

Scalloped Hammerhead

Sphyma Lewini

Endangeredhttp://switchboard.nrdc.org/blogs/bsewell/HammerheadShark,approved%20to%20use,%20credit%20Amanda%20M.%20Pippin.png

Scoophead SharkSphyma Media

Insufficient Datahttp://cdn.c.photoshelter.com/img-get/I0000KZKq0.AUAqc/s/600/600/3056233.jpg

Smalleye HammerheadSphyma Tubes

Vulnerablehttp://www.elasmodiver.com/Sharkive%20images/Great%20hammerhead%20012.jpg

Smooth HammerheadSphyma Zygaena

Vulnerablehttp://www.factzoo.com/sites/all/img/fish/sharks-rays/smooth-hammerhead-shark.jpg

Whitefin HammerheadSphyma Couardi

Insufficient Datahttp://www.myinterestingfacts.com/wp-content/uploads/2013/09/Hammerhead-Shark.jpg

Winghead SharkEusphyra Blochii

Near Threatenedhttp://www.fishesofaustralia.net.au/images/image/EusphyraBlochiiCSIRO.jpg

Communication

http://blog.newscom.com/wp-content/uploads/2013/08/hammerhead-sharks.jpg

Diet and Feeding

http://cdn.grindtv.com/wp-content/uploads/2014/03/CATERS_HAMMERHEAD_SHARKS_SURROUND_DIVER_FEEDING_TOUCHING_07-1024x682.jpg

Natural Enemies and Defense

http://ocean.si.edu/sites/default/files/styles/colorbox_full/public/photos/ROTMAN_N13VZweb_1.jpg?itok=z_pnAbpn

Social and Solitary

http://galapagosconservation.org.uk/wp-content/uploads/2013/08/c6-1439-gnp-vers2.jpg

Reproduction

https://s-media-cache-ak0.pinimg.com/736x/0b/9c/71/0b9c719c5630da86a3e8dc9b382d34af.jpg

Current Research

http://www.grossphotographic.com/wp-content/uploads/2015/02/2015_01_28_bimini062.jpg