![Caspian Tern, flying](https://a4.pbase.com/u42/tgrey/medium/27509178.CaspianTern3.jpg) Caspian Tern, flying |
![Caspian Tern, flying](https://a4.pbase.com/u42/tgrey/medium/27509180.CaspianTern4.jpg) Caspian Tern, flying |
![Caspian Tern, breeding plumage, flying](https://a4.pbase.com/u40/tgrey/medium/32524945.CaspianTern10.jpg) Caspian Tern, breeding plumage, flying |
![Caspian Tern](https://a4.pbase.com/u16/tgrey/medium/38963982.CaspianTernM2.jpg) Caspian Tern |
![Caspian Tern, carrying food to nest](https://a4.pbase.com/v3/44/316244/3/45916383.CaspianTern11.jpg) Caspian Tern, carrying food to nest |
![Caspian Tern, breeding plumage, carrying fish](https://a4.pbase.com/u36/tgrey/medium/32268147.CaspianTern6.jpg) Caspian Tern, breeding plumage, carrying fish |
![Caspian Tern, adult winter](https://a4.pbase.com/u16/tgrey/medium/38963924.CaspianTernM1.jpg) Caspian Tern, adult winter |
![Caspian Tern, juvenile](https://a4.pbase.com/u36/tgrey/medium/32267924.CaspianTern8.jpg) Caspian Tern, juvenile |
![Caspian Terns, adult and juvenile](https://a4.pbase.com/u40/tgrey/medium/32526155.CaspianTerns2.jpg) Caspian Terns, adult and juvenile |
![Caspian Tern, juvenile, with Elegant Terns](https://a4.pbase.com/g9/44/316244/3/32267933.Shyprb5z.jpg) Caspian Tern, juvenile, with Elegant Terns |
![Caspian Terns, adults and juvenile](https://a4.pbase.com/u36/tgrey/medium/32267937.CaspianTernsUproar.jpg) Caspian Terns, adults and juvenile |
![Caspian Tern](https://a4.pbase.com/g3/44/316244/3/54754571.CaspianTernMM01.jpg) Caspian Tern |
![Caspian Tern](https://a4.pbase.com/g9/44/316244/3/60901001.bAZbBq9D.jpg) Caspian Tern |
![Caspian Tern, flying](https://a4.pbase.com/g3/44/316244/3/95056595.lh7wLaBt.jpg) Caspian Tern, flying |
![Caspian Tern](https://a4.pbase.com/g3/44/316244/3/102397941.grcoGljN.jpg) Caspian Tern |
![Caspian Tern, diving for fish](https://a4.pbase.com/g3/44/316244/3/102397700.Ww5piKKE.jpg) Caspian Tern, diving for fish |
![Caspian Tern, fishing](https://a4.pbase.com/g3/44/316244/3/102397799.NllNHqRC.jpg) Caspian Tern, fishing |
![Caspian Tern, taking off with fish](https://a4.pbase.com/g3/44/316244/3/102397884.8i0EmrVF.jpg) Caspian Tern, taking off with fish |
![Forster's Tern, harassing Caspian Tern](https://a4.pbase.com/g5/44/316244/3/99989849.MWn3IB1e.jpg) Forster's Tern, harassing Caspian Tern |
![Caspian Tern, on nest](https://a4.pbase.com/g1/44/316244/3/112322373.PSmc7tpk.jpg) Caspian Tern, on nest |
![Caspian Tern](https://a4.pbase.com/g3/44/316244/3/112322509.72PppGvt.jpg) Caspian Tern |
![Caspian Terns, adult and downy chick](https://a4.pbase.com/g1/44/316244/3/113680080.eISa2hPt.jpg) Caspian Terns, adult and downy chick |
![Caspian Tern, adult pair and downy chick](https://a4.pbase.com/g1/44/316244/3/113680260.4XHMqcmH.jpg) Caspian Tern, adult pair and downy chick |
![Caspian Terns, adult and downy chick](https://a4.pbase.com/g1/44/316244/3/113680092.fugUOoQX.jpg) Caspian Terns, adult and downy chick |
![Caspian Tern, downy chick](https://a4.pbase.com/g3/44/316244/3/113680102.CQzqeht6.jpg) Caspian Tern, downy chick |
![Caspian Tern, hovering above nest](https://a4.pbase.com/g1/44/316244/3/113680051.Qmq4dGUV.jpg) Caspian Tern, hovering above nest |
![Caspian Tern, at nest](https://a4.pbase.com/g3/44/316244/3/113680072.tgT3fe5y.jpg) Caspian Tern, at nest |
![Black Skimmer and Caspian Tern, both incubating](https://a4.pbase.com/g1/44/316244/3/115110265.7NNh0M5F.jpg) Black Skimmer and Caspian Tern, both incubating |
![Caspian Tern with Forster's Tern and American Avocet chick](https://a4.pbase.com/g1/44/316244/3/115110769.Qmu9y6f7.jpg) Caspian Tern with Forster's Tern and American Avocet chick |
![Caspian Tern, carrying fish](https://a4.pbase.com/g1/44/316244/3/116341727.iSqgH9NH.jpg) Caspian Tern, carrying fish |
![Caspian Tern, flying](https://a4.pbase.com/g1/44/316244/3/116341784.4BxmbAum.jpg) Caspian Tern, flying |
![Caspian Terns with a juvenile Elegant Tern, flying](https://a4.pbase.com/g1/44/316244/3/127862425.qcSKa7pp.jpg) Caspian Terns with a juvenile Elegant Tern, flying |
![Caspian Tern, carrying fish](https://a4.pbase.com/g1/44/316244/3/127862423.qCfbUXiq.jpg) Caspian Tern, carrying fish |
![Caspian Tern](https://a4.pbase.com/g4/44/316244/3/136990020.hIdLsjdX.jpg) Caspian Tern |
![Caspian Tern, non-breeding plumage](https://a4.pbase.com/g4/44/316244/3/142227475.ZMYUGPXE.jpg) Caspian Tern, non-breeding plumage |
![Caspian Tern](https://a4.pbase.com/g4/44/316244/3/145236119.F1NO1Gx4.jpg) Caspian Tern |
![Caspian Tern, flying](https://a4.pbase.com/g9/44/316244/3/155281147.CXdclPFS.jpg) Caspian Tern, flying |
![Caspian Tern, flying](https://a4.pbase.com/g9/44/316244/3/155281148.ocFkdVtx.jpg) Caspian Tern, flying |
![Caspian Tern, flying to colony with fish](https://a4.pbase.com/g9/44/316244/3/155693178.IwUgs7AT.jpg) Caspian Tern, flying to colony with fish |
![Caspian Tern, landing with fish](https://a4.pbase.com/g9/44/316244/3/155693181.pX47qM1J.jpg) Caspian Tern, landing with fish |
![Caspian Terns, male offering fish to female](https://a4.pbase.com/g9/44/316244/3/155693187.VzJjvhIb.jpg) Caspian Terns, male offering fish to female |
![Caspian Terns, courtship-related pursuit](https://a4.pbase.com/g9/44/316244/3/155693184.jozVVdct.jpg) Caspian Terns, courtship-related pursuit |
![Caspian Terns](https://a4.pbase.com/g9/44/316244/3/155693182.bQNeGJqN.jpg) Caspian Terns |
![Caspian Tern](https://a4.pbase.com/g9/44/316244/3/156561185.6n5uMG5F.jpg) Caspian Tern |
![Caspian Tern, breeding plumage](https://a4.pbase.com/g9/44/316244/3/157111104.F3WWJzFs.jpg) Caspian Tern, breeding plumage |
![Caspian Tern, taking off with fish](https://a4.pbase.com/g9/44/316244/3/157111101.hfgFOkn9.jpg) Caspian Tern, taking off with fish |
![Caspian Tern, taking off with fish](https://a4.pbase.com/g9/44/316244/3/157111103.XwaSXLa2.jpg) Caspian Tern, taking off with fish |
![Caspian Tern](https://a4.pbase.com/g9/44/316244/3/163776768.r9HrJJiT.jpg) Caspian Tern |
![Caspian Tern](https://a4.pbase.com/g9/44/316244/3/164027016.nb4nAOiN.jpg) Caspian Tern |
![Caspian Tern, non-breeding plumage](https://a4.pbase.com/g9/44/316244/3/164678429.1B4gguGb.jpg) Caspian Tern, non-breeding plumage |
![Caspian Tern, diving for fish](https://a4.pbase.com/g9/44/316244/3/155650513.VQSMF2Wa.jpg) Caspian Tern, diving for fish |
![Caspian Tern](https://a4.pbase.com/g10/44/316244/3/165778327.KH39KLVW.jpg) Caspian Tern |
![Caspian Tern](https://a4.pbase.com/g10/44/316244/3/165762792.dJt8ffxA.jpg) Caspian Tern |
![Caspian Tern](https://a4.pbase.com/g10/44/316244/3/165778325.0rpDnh7Y.jpg) Caspian Tern |
![Caspian Tern](https://a4.pbase.com/g10/44/316244/3/167752751.dcSBwyEX.jpg) Caspian Tern |
![Caspian Tern](https://a4.pbase.com/g10/44/316244/3/167752750.xDIKCaSe.jpg) Caspian Tern |