baleen whale

Baleen whales have string-like plates of baleen instead of teeth.  


Source
A Humpback whale is an example of a Baleen Whale
http://www.google.com/imgres?imgurl=http://www.knme.org/interact/knmeblog/wp-content/uploads/2011/05/Humpback-Whale.jpeg&imgrefurl=http://www.knme.org/interact/knmeblog/%3Fp%3D1859&usg=__PrI3t_140Rg-_sMRumiff3To9BQ=&h=600&w=770&sz=88&hl=en&start=0&sig2=0oVPjn1oq6E7hdOGvvuBwQ&zoom=1&tbnid=aeYZfdO7srkQmM:&tbnh=121&tbnw=158&ei=QvMHTrDpMIrogQf1sbXlDQ&prev=/search%3Fq%3Dhumpback%2Bwhale%26hl%3Den%26biw%3D1238%26bih%3D569%26gbv%3D2%26tbm%3Disch&itbs=1&iact=hc&vpx=638&vpy=113&dur=93&hovh=198&hovw=254&tx=177&ty=111&page=1&ndsp=18&ved=1t:429,r:3,s:0&biw=1238&bih=569

mammals

Warm blooded animals that have a backbone, skin, hair, and produce milk to feed their young. 


pods

Pods are the family that each whale travels and lives with.


pods

sonar

Sonar is the name for the high pitched songs that whales use to talk to eachother.


toothed whale

Toothed whales have teeth and eat fish, squid, and seals.  


Source
A Beluga Whale is an example of a toothed whale
http://www.google.com/imgres?imgurl=http://www.kidcyber.com.au/IMAGES/Whale_beluga.jpg&imgrefurl=http://www.kidcyber.com.au/topics/whalebeluga.htm&usg=__TloBP2ilhWsxTu0Qf5Y0Xt7zuCc=&h=266&w=315&sz=52&hl=en&start=19&sig2=_0tHSugpQptu1m2EPdx6kg&zoom=1&tbnid=snPEltbd6w1KNM:&tbnh=127&tbnw=120&ei=XfIHTs_fK5T2gAfrlOnYDQ&prev=/search%3Fq%3Dtoothed%2Bwhales%26um%3D1%26hl%3Den%26sa%3DN%26biw%3D1238%26bih%3D569%26tbm%3Disch&um=1&itbs=1&iact=hc&vpx=106&vpy=242&dur=889&hovh=206&hovw=244&tx=148&ty=135&page=2&ndsp=19&ved=1t:429,r:0,s:19&biw=1238&bih=569